8136554440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{4133}}^1$

素因数の和:4319

約数の個数: 128

約数和(自身を含む): 21430656000

約数和(自身を除く): 13294101560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 89, 140, 158, 178, 280, 316, 356, 395, 445, 553, 623, 632, 712, 790, 890, 1106, 1246, 1580, 1780, 2212, 2492, 2765, 3115, 3160, 3560, 4133, 4424, 4984, 5530, 6230, 7031, 8266, 11060, 12460, 14062, 16532, 20665, 22120, 24920, 28124, 28931, 33064, 35155, 41330, 49217, 56248, 57862, 70310, 82660, 98434, 115724, 140620, 144655, 165320, 196868, 231448, 246085, 281240, 289310, 326507, 367837, 393736, 492170, 578620, 653014, 735674, 984340, 1157240, 1306028, 1471348, 1632535, 1839185, 1968680, 2285549, 2574859, 2612056, 2942696, 3265070, 3678370, 4571098, 5149718, 6530140, 7356740, 9142196, 10299436, 11427745, 12874295, 13060280, 14713480, 18284392, 20598872, 22855490, 25748590, 29059123, 45710980, 51497180, 58118246, 91421960, 102994360, 116236492, 145295615, 203413861, 232472984, 290591230, 406827722, 581182460, 813655444, 1017069305, 1162364920, 1627310888, 2034138610, 4068277220, 8136554440]

約数ペア:

[(1, 8136554440), (2, 4068277220), (4, 2034138610), (5, 1627310888), (7, 1162364920), (8, 1017069305), (10, 813655444), (14, 581182460), (20, 406827722), (28, 290591230), (35, 232472984), (40, 203413861), (56, 145295615), (70, 116236492), (79, 102994360), (89, 91421960), (140, 58118246), (158, 51497180), (178, 45710980), (280, 29059123), (316, 25748590), (356, 22855490), (395, 20598872), (445, 18284392), (553, 14713480), (623, 13060280), (632, 12874295), (712, 11427745), (790, 10299436), (890, 9142196), (1106, 7356740), (1246, 6530140), (1580, 5149718), (1780, 4571098), (2212, 3678370), (2492, 3265070), (2765, 2942696), (3115, 2612056), (3160, 2574859), (3560, 2285549), (4133, 1968680), (4424, 1839185), (4984, 1632535), (5530, 1471348), (6230, 1306028), (7031, 1157240), (8266, 984340), (11060, 735674), (12460, 653014), (14062, 578620), (16532, 492170), (20665, 393736), (22120, 367837), (24920, 326507), (28124, 289310), (28931, 281240), (33064, 246085), (35155, 231448), (41330, 196868), (49217, 165320), (56248, 144655), (57862, 140620), (70310, 115724), (82660, 98434)]