81929120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 192

約数和(自身を含む): 252999936

約数和(自身を除く): 171070816

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 160, 170, 182, 208, 221, 224, 238, 260, 272, 280, 331, 340, 364, 416, 442, 455, 476, 520, 544, 560, 595, 662, 680, 728, 884, 910, 952, 1040, 1105, 1120, 1190, 1324, 1360, 1456, 1547, 1655, 1768, 1820, 1904, 2080, 2210, 2317, 2380, 2648, 2720, 2912, 3094, 3310, 3536, 3640, 3808, 4303, 4420, 4634, 4760, 5296, 5627, 6188, 6620, 7072, 7280, 7735, 8606, 8840, 9268, 9520, 10592, 11254, 11585, 12376, 13240, 14560, 15470, 17212, 17680, 18536, 19040, 21515, 22508, 23170, 24752, 26480, 28135, 30121, 30940, 34424, 35360, 37072, 39389, 43030, 45016, 46340, 49504, 52960, 56270, 60242, 61880, 68848, 73151, 74144, 78778, 86060, 90032, 92680, 112540, 120484, 123760, 137696, 146302, 150605, 157556, 172120, 180064, 185360, 196945, 225080, 240968, 247520, 292604, 301210, 315112, 344240, 365755, 370720, 393890, 450160, 481936, 512057, 585208, 602420, 630224, 688480, 731510, 787780, 900320, 963872, 1024114, 1170416, 1204840, 1260448, 1463020, 1575560, 2048228, 2340832, 2409680, 2560285, 2926040, 3151120, 4096456, 4819360, 5120570, 5852080, 6302240, 8192912, 10241140, 11704160, 16385824, 20482280, 40964560, 81929120]

約数ペア:

[(1, 81929120), (2, 40964560), (4, 20482280), (5, 16385824), (7, 11704160), (8, 10241140), (10, 8192912), (13, 6302240), (14, 5852080), (16, 5120570), (17, 4819360), (20, 4096456), (26, 3151120), (28, 2926040), (32, 2560285), (34, 2409680), (35, 2340832), (40, 2048228), (52, 1575560), (56, 1463020), (65, 1260448), (68, 1204840), (70, 1170416), (80, 1024114), (85, 963872), (91, 900320), (104, 787780), (112, 731510), (119, 688480), (130, 630224), (136, 602420), (140, 585208), (160, 512057), (170, 481936), (182, 450160), (208, 393890), (221, 370720), (224, 365755), (238, 344240), (260, 315112), (272, 301210), (280, 292604), (331, 247520), (340, 240968), (364, 225080), (416, 196945), (442, 185360), (455, 180064), (476, 172120), (520, 157556), (544, 150605), (560, 146302), (595, 137696), (662, 123760), (680, 120484), (728, 112540), (884, 92680), (910, 90032), (952, 86060), (1040, 78778), (1105, 74144), (1120, 73151), (1190, 68848), (1324, 61880), (1360, 60242), (1456, 56270), (1547, 52960), (1655, 49504), (1768, 46340), (1820, 45016), (1904, 43030), (2080, 39389), (2210, 37072), (2317, 35360), (2380, 34424), (2648, 30940), (2720, 30121), (2912, 28135), (3094, 26480), (3310, 24752), (3536, 23170), (3640, 22508), (3808, 21515), (4303, 19040), (4420, 18536), (4634, 17680), (4760, 17212), (5296, 15470), (5627, 14560), (6188, 13240), (6620, 12376), (7072, 11585), (7280, 11254), (7735, 10592), (8606, 9520), (8840, 9268)]