66713920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 224

約数和(自身を含む): 204825600

約数和(自身を除く): 138111680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 40, 52, 56, 58, 64, 65, 70, 79, 80, 91, 104, 112, 116, 130, 140, 145, 158, 160, 182, 203, 208, 224, 232, 260, 280, 290, 316, 320, 364, 377, 395, 406, 416, 448, 455, 464, 520, 553, 560, 580, 632, 728, 754, 790, 812, 832, 910, 928, 1015, 1027, 1040, 1106, 1120, 1160, 1264, 1456, 1508, 1580, 1624, 1820, 1856, 1885, 2030, 2054, 2080, 2212, 2240, 2291, 2320, 2528, 2639, 2765, 2912, 3016, 3160, 3248, 3640, 3770, 4060, 4108, 4160, 4424, 4582, 4640, 5056, 5135, 5278, 5530, 5824, 6032, 6320, 6496, 7189, 7280, 7540, 8120, 8216, 8848, 9164, 9280, 10270, 10556, 11060, 11455, 12064, 12640, 12992, 13195, 14378, 14560, 15080, 16037, 16240, 16432, 17696, 18328, 20540, 21112, 22120, 22910, 24128, 25280, 26390, 28756, 29120, 29783, 30160, 32074, 32480, 32864, 35392, 35945, 36656, 41080, 42224, 44240, 45820, 52780, 57512, 59566, 60320, 64148, 64960, 65728, 71890, 73312, 80185, 82160, 84448, 88480, 91640, 105560, 115024, 119132, 120640, 128296, 143780, 146624, 148915, 160370, 164320, 168896, 176960, 183280, 208481, 211120, 230048, 238264, 256592, 287560, 297830, 320740, 328640, 366560, 416962, 422240, 460096, 476528, 513184, 575120, 595660, 641480, 733120, 833924, 844480, 953056, 1026368, 1042405, 1150240, 1191320, 1282960, 1667848, 1906112, 2084810, 2300480, 2382640, 2565920, 3335696, 4169620, 4765280, 5131840, 6671392, 8339240, 9530560, 13342784, 16678480, 33356960, 66713920]

約数ペア:

[(1, 66713920), (2, 33356960), (4, 16678480), (5, 13342784), (7, 9530560), (8, 8339240), (10, 6671392), (13, 5131840), (14, 4765280), (16, 4169620), (20, 3335696), (26, 2565920), (28, 2382640), (29, 2300480), (32, 2084810), (35, 1906112), (40, 1667848), (52, 1282960), (56, 1191320), (58, 1150240), (64, 1042405), (65, 1026368), (70, 953056), (79, 844480), (80, 833924), (91, 733120), (104, 641480), (112, 595660), (116, 575120), (130, 513184), (140, 476528), (145, 460096), (158, 422240), (160, 416962), (182, 366560), (203, 328640), (208, 320740), (224, 297830), (232, 287560), (260, 256592), (280, 238264), (290, 230048), (316, 211120), (320, 208481), (364, 183280), (377, 176960), (395, 168896), (406, 164320), (416, 160370), (448, 148915), (455, 146624), (464, 143780), (520, 128296), (553, 120640), (560, 119132), (580, 115024), (632, 105560), (728, 91640), (754, 88480), (790, 84448), (812, 82160), (832, 80185), (910, 73312), (928, 71890), (1015, 65728), (1027, 64960), (1040, 64148), (1106, 60320), (1120, 59566), (1160, 57512), (1264, 52780), (1456, 45820), (1508, 44240), (1580, 42224), (1624, 41080), (1820, 36656), (1856, 35945), (1885, 35392), (2030, 32864), (2054, 32480), (2080, 32074), (2212, 30160), (2240, 29783), (2291, 29120), (2320, 28756), (2528, 26390), (2639, 25280), (2765, 24128), (2912, 22910), (3016, 22120), (3160, 21112), (3248, 20540), (3640, 18328), (3770, 17696), (4060, 16432), (4108, 16240), (4160, 16037), (4424, 15080), (4582, 14560), (4640, 14378), (5056, 13195), (5135, 12992), (5278, 12640), (5530, 12064), (5824, 11455), (6032, 11060), (6320, 10556), (6496, 10270), (7189, 9280), (7280, 9164), (7540, 8848), (8120, 8216)]