20558891520

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52489}}^1$

素因数の和:52535

約数の個数: 240

約数和(自身を含む): 75390967080

約数和(自身を除く): 54832075560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 512, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1536, 1632, 1920, 2040, 2176, 2304, 2448, 2560, 2720, 2880, 3060, 3264, 3840, 4080, 4352, 4608, 4896, 5440, 5760, 6120, 6528, 7680, 8160, 8704, 9792, 10880, 11520, 12240, 13056, 16320, 19584, 21760, 23040, 24480, 26112, 32640, 39168, 43520, 48960, 52489, 65280, 78336, 97920, 104978, 130560, 157467, 195840, 209956, 262445, 314934, 391680, 419912, 472401, 524890, 629868, 787335, 839824, 892313, 944802, 1049780, 1259736, 1574670, 1679648, 1784626, 1889604, 2099560, 2362005, 2519472, 2676939, 3149340, 3359296, 3569252, 3779208, 4199120, 4461565, 4724010, 5038944, 5353878, 6298680, 6718592, 7138504, 7558416, 8030817, 8398240, 8923130, 9448020, 10077888, 10707756, 12597360, 13384695, 13437184, 14277008, 15116832, 16061634, 16796480, 17846260, 18896040, 20155776, 21415512, 25194720, 26769390, 26874368, 28554016, 30233664, 32123268, 33592960, 35692520, 37792080, 40154085, 40311552, 42831024, 50389440, 53538780, 57108032, 60467328, 64246536, 67185920, 71385040, 75584160, 80308170, 80623104, 85662048, 100778880, 107077560, 114216064, 120934656, 128493072, 134371840, 142770080, 151168320, 160616340, 171324096, 201557760, 214155120, 228432128, 241869312, 256986144, 285540160, 302336640, 321232680, 342648192, 403115520, 428310240, 456864256, 513972288, 571080320, 604673280, 642465360, 685296384, 856620480, 1027944576, 1142160640, 1209346560, 1284930720, 1370592768, 1713240960, 2055889152, 2284321280, 2569861440, 3426481920, 4111778304, 5139722880, 6852963840, 10279445760, 20558891520]

約数ペア:

[(1, 20558891520), (2, 10279445760), (3, 6852963840), (4, 5139722880), (5, 4111778304), (6, 3426481920), (8, 2569861440), (9, 2284321280), (10, 2055889152), (12, 1713240960), (15, 1370592768), (16, 1284930720), (17, 1209346560), (18, 1142160640), (20, 1027944576), (24, 856620480), (30, 685296384), (32, 642465360), (34, 604673280), (36, 571080320), (40, 513972288), (45, 456864256), (48, 428310240), (51, 403115520), (60, 342648192), (64, 321232680), (68, 302336640), (72, 285540160), (80, 256986144), (85, 241869312), (90, 228432128), (96, 214155120), (102, 201557760), (120, 171324096), (128, 160616340), (136, 151168320), (144, 142770080), (153, 134371840), (160, 128493072), (170, 120934656), (180, 114216064), (192, 107077560), (204, 100778880), (240, 85662048), (255, 80623104), (256, 80308170), (272, 75584160), (288, 71385040), (306, 67185920), (320, 64246536), (340, 60467328), (360, 57108032), (384, 53538780), (408, 50389440), (480, 42831024), (510, 40311552), (512, 40154085), (544, 37792080), (576, 35692520), (612, 33592960), (640, 32123268), (680, 30233664), (720, 28554016), (765, 26874368), (768, 26769390), (816, 25194720), (960, 21415512), (1020, 20155776), (1088, 18896040), (1152, 17846260), (1224, 16796480), (1280, 16061634), (1360, 15116832), (1440, 14277008), (1530, 13437184), (1536, 13384695), (1632, 12597360), (1920, 10707756), (2040, 10077888), (2176, 9448020), (2304, 8923130), (2448, 8398240), (2560, 8030817), (2720, 7558416), (2880, 7138504), (3060, 6718592), (3264, 6298680), (3840, 5353878), (4080, 5038944), (4352, 4724010), (4608, 4461565), (4896, 4199120), (5440, 3779208), (5760, 3569252), (6120, 3359296), (6528, 3149340), (7680, 2676939), (8160, 2519472), (8704, 2362005), (9792, 2099560), (10880, 1889604), (11520, 1784626), (12240, 1679648), (13056, 1574670), (16320, 1259736), (19584, 1049780), (21760, 944802), (23040, 892313), (24480, 839824), (26112, 787335), (32640, 629868), (39168, 524890), (43520, 472401), (48960, 419912), (52489, 391680), (65280, 314934), (78336, 262445), (97920, 209956), (104978, 195840), (130560, 157467)]