20916737280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1026

約数の個数: 432

約数和(自身を含む): 76450832640

約数和(自身を除く): 55534095360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 89, 90, 92, 96, 115, 120, 128, 138, 144, 160, 178, 180, 184, 192, 207, 230, 240, 256, 267, 276, 288, 320, 345, 356, 360, 368, 384, 414, 445, 460, 480, 534, 552, 576, 640, 690, 712, 720, 736, 768, 801, 828, 887, 890, 920, 960, 1035, 1068, 1104, 1152, 1280, 1335, 1380, 1424, 1440, 1472, 1602, 1656, 1774, 1780, 1840, 1920, 2047, 2070, 2136, 2208, 2304, 2661, 2670, 2760, 2848, 2880, 2944, 3204, 3312, 3548, 3560, 3680, 3840, 4005, 4094, 4140, 4272, 4416, 4435, 5322, 5340, 5520, 5696, 5760, 5888, 6141, 6408, 6624, 7096, 7120, 7360, 7983, 8010, 8188, 8280, 8544, 8832, 8870, 10235, 10644, 10680, 11040, 11392, 11520, 12282, 12816, 13248, 13305, 14192, 14240, 14720, 15966, 16020, 16376, 16560, 17088, 17664, 17740, 18423, 20401, 20470, 21288, 21360, 22080, 22784, 24564, 25632, 26496, 26610, 28384, 28480, 29440, 30705, 31932, 32040, 32752, 33120, 34176, 35480, 36846, 39915, 40802, 40940, 42576, 42720, 44160, 49128, 51264, 52992, 53220, 56768, 56960, 61203, 61410, 63864, 64080, 65504, 66240, 68352, 70960, 73692, 78943, 79830, 81604, 81880, 85152, 85440, 88320, 92115, 98256, 102005, 102528, 106440, 113536, 113920, 122406, 122820, 127728, 128160, 131008, 132480, 141920, 147384, 157886, 159660, 163208, 163760, 170304, 170880, 183609, 184230, 196512, 204010, 205056, 212880, 227072, 236829, 244812, 245640, 255456, 256320, 262016, 264960, 283840, 294768, 306015, 315772, 319320, 326416, 327520, 340608, 341760, 367218, 368460, 393024, 394715, 408020, 425760, 473658, 489624, 491280, 510912, 512640, 524032, 567680, 589536, 612030, 631544, 638640, 652832, 655040, 681216, 710487, 734436, 736920, 786048, 789430, 816040, 851520, 918045, 947316, 979248, 982560, 1021824, 1025280, 1135360, 1179072, 1184145, 1224060, 1263088, 1277280, 1305664, 1310080, 1420974, 1468872, 1473840, 1572096, 1578860, 1632080, 1703040, 1815689, 1836090, 1894632, 1958496, 1965120, 2043648, 2358144, 2368290, 2448120, 2526176, 2554560, 2611328, 2620160, 2841948, 2937744, 2947680, 3157720, 3264160, 3406080, 3552435, 3631378, 3672180, 3789264, 3916992, 3930240, 4716288, 4736580, 4896240, 5052352, 5109120, 5222656, 5447067, 5683896, 5875488, 5895360, 6315440, 6528320, 7104870, 7262756, 7344360, 7578528, 7833984, 7860480, 9078445, 9473160, 9792480, 10104704, 10218240, 10894134, 11367792, 11750976, 11790720, 12630880, 13056640, 14209740, 14525512, 14688720, 15157056, 15667968, 16341201, 18156890, 18946320, 19584960, 20209408, 21788268, 22735584, 23501952, 23581440, 25261760, 26113280, 27235335, 28419480, 29051024, 29377440, 30314112, 32682402, 36313780, 37892640, 39169920, 43576536, 45471168, 47003904, 50523520, 54470670, 56838960, 58102048, 58754880, 60628224, 65364804, 72627560, 75785280, 78339840, 81706005, 87153072, 90942336, 101047040, 108941340, 113677920, 116204096, 117509760, 130729608, 145255120, 151570560, 163412010, 174306144, 181884672, 217882680, 227355840, 232408192, 235019520, 261459216, 290510240, 303141120, 326824020, 348612288, 435765360, 454711680, 464816384, 522918432, 581020480, 653648040, 697224576, 871530720, 909423360, 1045836864, 1162040960, 1307296080, 1394449152, 1743061440, 2091673728, 2324081920, 2614592160, 3486122880, 4183347456, 5229184320, 6972245760, 10458368640, 20916737280]

約数ペア:

[(1, 20916737280), (2, 10458368640), (3, 6972245760), (4, 5229184320), (5, 4183347456), (6, 3486122880), (8, 2614592160), (9, 2324081920), (10, 2091673728), (12, 1743061440), (15, 1394449152), (16, 1307296080), (18, 1162040960), (20, 1045836864), (23, 909423360), (24, 871530720), (30, 697224576), (32, 653648040), (36, 581020480), (40, 522918432), (45, 464816384), (46, 454711680), (48, 435765360), (60, 348612288), (64, 326824020), (69, 303141120), (72, 290510240), (80, 261459216), (89, 235019520), (90, 232408192), (92, 227355840), (96, 217882680), (115, 181884672), (120, 174306144), (128, 163412010), (138, 151570560), (144, 145255120), (160, 130729608), (178, 117509760), (180, 116204096), (184, 113677920), (192, 108941340), (207, 101047040), (230, 90942336), (240, 87153072), (256, 81706005), (267, 78339840), (276, 75785280), (288, 72627560), (320, 65364804), (345, 60628224), (356, 58754880), (360, 58102048), (368, 56838960), (384, 54470670), (414, 50523520), (445, 47003904), (460, 45471168), (480, 43576536), (534, 39169920), (552, 37892640), (576, 36313780), (640, 32682402), (690, 30314112), (712, 29377440), (720, 29051024), (736, 28419480), (768, 27235335), (801, 26113280), (828, 25261760), (887, 23581440), (890, 23501952), (920, 22735584), (960, 21788268), (1035, 20209408), (1068, 19584960), (1104, 18946320), (1152, 18156890), (1280, 16341201), (1335, 15667968), (1380, 15157056), (1424, 14688720), (1440, 14525512), (1472, 14209740), (1602, 13056640), (1656, 12630880), (1774, 11790720), (1780, 11750976), (1840, 11367792), (1920, 10894134), (2047, 10218240), (2070, 10104704), (2136, 9792480), (2208, 9473160), (2304, 9078445), (2661, 7860480), (2670, 7833984), (2760, 7578528), (2848, 7344360), (2880, 7262756), (2944, 7104870), (3204, 6528320), (3312, 6315440), (3548, 5895360), (3560, 5875488), (3680, 5683896), (3840, 5447067), (4005, 5222656), (4094, 5109120), (4140, 5052352), (4272, 4896240), (4416, 4736580), (4435, 4716288), (5322, 3930240), (5340, 3916992), (5520, 3789264), (5696, 3672180), (5760, 3631378), (5888, 3552435), (6141, 3406080), (6408, 3264160), (6624, 3157720), (7096, 2947680), (7120, 2937744), (7360, 2841948), (7983, 2620160), (8010, 2611328), (8188, 2554560), (8280, 2526176), (8544, 2448120), (8832, 2368290), (8870, 2358144), (10235, 2043648), (10644, 1965120), (10680, 1958496), (11040, 1894632), (11392, 1836090), (11520, 1815689), (12282, 1703040), (12816, 1632080), (13248, 1578860), (13305, 1572096), (14192, 1473840), (14240, 1468872), (14720, 1420974), (15966, 1310080), (16020, 1305664), (16376, 1277280), (16560, 1263088), (17088, 1224060), (17664, 1184145), (17740, 1179072), (18423, 1135360), (20401, 1025280), (20470, 1021824), (21288, 982560), (21360, 979248), (22080, 947316), (22784, 918045), (24564, 851520), (25632, 816040), (26496, 789430), (26610, 786048), (28384, 736920), (28480, 734436), (29440, 710487), (30705, 681216), (31932, 655040), (32040, 652832), (32752, 638640), (33120, 631544), (34176, 612030), (35480, 589536), (36846, 567680), (39915, 524032), (40802, 512640), (40940, 510912), (42576, 491280), (42720, 489624), (44160, 473658), (49128, 425760), (51264, 408020), (52992, 394715), (53220, 393024), (56768, 368460), (56960, 367218), (61203, 341760), (61410, 340608), (63864, 327520), (64080, 326416), (65504, 319320), (66240, 315772), (68352, 306015), (70960, 294768), (73692, 283840), (78943, 264960), (79830, 262016), (81604, 256320), (81880, 255456), (85152, 245640), (85440, 244812), (88320, 236829), (92115, 227072), (98256, 212880), (102005, 205056), (102528, 204010), (106440, 196512), (113536, 184230), (113920, 183609), (122406, 170880), (122820, 170304), (127728, 163760), (128160, 163208), (131008, 159660), (132480, 157886), (141920, 147384)]