1921395840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1620

約数の個数: 384

約数和(自身を含む): 7677270720

約数和(自身を除く): 5755874880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 128, 130, 140, 147, 156, 160, 168, 182, 192, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 320, 336, 364, 384, 390, 392, 416, 420, 448, 455, 480, 490, 520, 546, 560, 588, 624, 637, 640, 672, 728, 735, 780, 784, 832, 840, 896, 910, 960, 980, 1040, 1092, 1120, 1176, 1248, 1274, 1344, 1365, 1456, 1470, 1560, 1568, 1571, 1664, 1680, 1820, 1911, 1920, 1960, 2080, 2184, 2240, 2352, 2496, 2548, 2688, 2730, 2912, 2940, 3120, 3136, 3142, 3185, 3360, 3640, 3822, 3920, 4160, 4368, 4480, 4704, 4713, 4992, 5096, 5460, 5824, 5880, 6240, 6272, 6284, 6370, 6720, 7280, 7644, 7840, 7855, 8320, 8736, 9408, 9426, 9555, 10192, 10920, 10997, 11648, 11760, 12480, 12568, 12740, 13440, 14560, 15288, 15680, 15710, 17472, 18816, 18852, 19110, 20384, 20423, 21840, 21994, 23520, 23565, 24960, 25136, 25480, 29120, 30576, 31360, 31420, 32991, 34944, 37704, 38220, 40768, 40846, 43680, 43988, 47040, 47130, 50272, 50960, 54985, 58240, 61152, 61269, 62840, 65982, 75408, 76440, 76979, 81536, 81692, 87360, 87976, 94080, 94260, 100544, 101920, 102115, 109970, 122304, 122538, 125680, 131964, 142961, 150816, 152880, 153958, 163384, 164955, 174720, 175952, 188520, 201088, 203840, 204230, 219940, 230937, 244608, 245076, 251360, 263928, 285922, 301632, 305760, 306345, 307916, 326768, 329910, 351904, 377040, 384895, 407680, 408460, 428883, 439880, 461874, 490152, 502720, 527856, 571844, 603264, 611520, 612690, 615832, 653536, 659820, 703808, 714805, 754080, 769790, 816920, 857766, 879760, 923748, 980304, 1000727, 1005440, 1055712, 1143688, 1154685, 1223040, 1225380, 1231664, 1307072, 1319640, 1407616, 1429610, 1508160, 1539580, 1633840, 1715532, 1759520, 1847496, 1960608, 2001454, 2111424, 2144415, 2287376, 2309370, 2450760, 2463328, 2614144, 2639280, 2859220, 3002181, 3016320, 3079160, 3267680, 3431064, 3519040, 3694992, 3921216, 4002908, 4222848, 4288830, 4574752, 4618740, 4901520, 4926656, 5003635, 5278560, 5718440, 6004362, 6158320, 6535360, 6862128, 7038080, 7389984, 7842432, 8005816, 8577660, 9149504, 9237480, 9803040, 9853312, 10007270, 10557120, 11436880, 12008724, 12316640, 13070720, 13724256, 14779968, 15010905, 16011632, 17155320, 18299008, 18474960, 19606080, 20014540, 21114240, 22873760, 24017448, 24633280, 27448512, 29559936, 30021810, 32023264, 34310640, 36949920, 39212160, 40029080, 45747520, 48034896, 49266560, 54897024, 60043620, 64046528, 68621280, 73899840, 80058160, 91495040, 96069792, 120087240, 128093056, 137242560, 147799680, 160116320, 192139584, 240174480, 274485120, 320232640, 384279168, 480348960, 640465280, 960697920, 1921395840]

約数ペア:

[(1, 1921395840), (2, 960697920), (3, 640465280), (4, 480348960), (5, 384279168), (6, 320232640), (7, 274485120), (8, 240174480), (10, 192139584), (12, 160116320), (13, 147799680), (14, 137242560), (15, 128093056), (16, 120087240), (20, 96069792), (21, 91495040), (24, 80058160), (26, 73899840), (28, 68621280), (30, 64046528), (32, 60043620), (35, 54897024), (39, 49266560), (40, 48034896), (42, 45747520), (48, 40029080), (49, 39212160), (52, 36949920), (56, 34310640), (60, 32023264), (64, 30021810), (65, 29559936), (70, 27448512), (78, 24633280), (80, 24017448), (84, 22873760), (91, 21114240), (96, 20014540), (98, 19606080), (104, 18474960), (105, 18299008), (112, 17155320), (120, 16011632), (128, 15010905), (130, 14779968), (140, 13724256), (147, 13070720), (156, 12316640), (160, 12008724), (168, 11436880), (182, 10557120), (192, 10007270), (195, 9853312), (196, 9803040), (208, 9237480), (210, 9149504), (224, 8577660), (240, 8005816), (245, 7842432), (260, 7389984), (273, 7038080), (280, 6862128), (294, 6535360), (312, 6158320), (320, 6004362), (336, 5718440), (364, 5278560), (384, 5003635), (390, 4926656), (392, 4901520), (416, 4618740), (420, 4574752), (448, 4288830), (455, 4222848), (480, 4002908), (490, 3921216), (520, 3694992), (546, 3519040), (560, 3431064), (588, 3267680), (624, 3079160), (637, 3016320), (640, 3002181), (672, 2859220), (728, 2639280), (735, 2614144), (780, 2463328), (784, 2450760), (832, 2309370), (840, 2287376), (896, 2144415), (910, 2111424), (960, 2001454), (980, 1960608), (1040, 1847496), (1092, 1759520), (1120, 1715532), (1176, 1633840), (1248, 1539580), (1274, 1508160), (1344, 1429610), (1365, 1407616), (1456, 1319640), (1470, 1307072), (1560, 1231664), (1568, 1225380), (1571, 1223040), (1664, 1154685), (1680, 1143688), (1820, 1055712), (1911, 1005440), (1920, 1000727), (1960, 980304), (2080, 923748), (2184, 879760), (2240, 857766), (2352, 816920), (2496, 769790), (2548, 754080), (2688, 714805), (2730, 703808), (2912, 659820), (2940, 653536), (3120, 615832), (3136, 612690), (3142, 611520), (3185, 603264), (3360, 571844), (3640, 527856), (3822, 502720), (3920, 490152), (4160, 461874), (4368, 439880), (4480, 428883), (4704, 408460), (4713, 407680), (4992, 384895), (5096, 377040), (5460, 351904), (5824, 329910), (5880, 326768), (6240, 307916), (6272, 306345), (6284, 305760), (6370, 301632), (6720, 285922), (7280, 263928), (7644, 251360), (7840, 245076), (7855, 244608), (8320, 230937), (8736, 219940), (9408, 204230), (9426, 203840), (9555, 201088), (10192, 188520), (10920, 175952), (10997, 174720), (11648, 164955), (11760, 163384), (12480, 153958), (12568, 152880), (12740, 150816), (13440, 142961), (14560, 131964), (15288, 125680), (15680, 122538), (15710, 122304), (17472, 109970), (18816, 102115), (18852, 101920), (19110, 100544), (20384, 94260), (20423, 94080), (21840, 87976), (21994, 87360), (23520, 81692), (23565, 81536), (24960, 76979), (25136, 76440), (25480, 75408), (29120, 65982), (30576, 62840), (31360, 61269), (31420, 61152), (32991, 58240), (34944, 54985), (37704, 50960), (38220, 50272), (40768, 47130), (40846, 47040), (43680, 43988)]