128621472

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:803

約数の個数: 144

約数和(自身を含む): 403915680

約数和(自身を除く): 275294208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 49, 56, 74, 84, 96, 98, 111, 112, 147, 148, 168, 196, 222, 224, 259, 294, 296, 336, 392, 444, 518, 588, 592, 672, 739, 777, 784, 888, 1036, 1176, 1184, 1478, 1554, 1568, 1776, 1813, 2072, 2217, 2352, 2956, 3108, 3552, 3626, 4144, 4434, 4704, 5173, 5439, 5912, 6216, 7252, 8288, 8868, 10346, 10878, 11824, 12432, 14504, 15519, 17736, 20692, 21756, 23648, 24864, 27343, 29008, 31038, 35472, 36211, 41384, 43512, 54686, 58016, 62076, 70944, 72422, 82029, 82768, 87024, 108633, 109372, 124152, 144844, 164058, 165536, 174048, 191401, 217266, 218744, 248304, 289688, 328116, 382802, 434532, 437488, 496608, 574203, 579376, 656232, 765604, 869064, 874976, 1148406, 1158752, 1312464, 1339807, 1531208, 1738128, 2296812, 2624928, 2679614, 3062416, 3476256, 4019421, 4593624, 5359228, 6124832, 8038842, 9187248, 10718456, 16077684, 18374496, 21436912, 32155368, 42873824, 64310736, 128621472]

約数ペア:

[(1, 128621472), (2, 64310736), (3, 42873824), (4, 32155368), (6, 21436912), (7, 18374496), (8, 16077684), (12, 10718456), (14, 9187248), (16, 8038842), (21, 6124832), (24, 5359228), (28, 4593624), (32, 4019421), (37, 3476256), (42, 3062416), (48, 2679614), (49, 2624928), (56, 2296812), (74, 1738128), (84, 1531208), (96, 1339807), (98, 1312464), (111, 1158752), (112, 1148406), (147, 874976), (148, 869064), (168, 765604), (196, 656232), (222, 579376), (224, 574203), (259, 496608), (294, 437488), (296, 434532), (336, 382802), (392, 328116), (444, 289688), (518, 248304), (588, 218744), (592, 217266), (672, 191401), (739, 174048), (777, 165536), (784, 164058), (888, 144844), (1036, 124152), (1176, 109372), (1184, 108633), (1478, 87024), (1554, 82768), (1568, 82029), (1776, 72422), (1813, 70944), (2072, 62076), (2217, 58016), (2352, 54686), (2956, 43512), (3108, 41384), (3552, 36211), (3626, 35472), (4144, 31038), (4434, 29008), (4704, 27343), (5173, 24864), (5439, 23648), (5912, 21756), (6216, 20692), (7252, 17736), (8288, 15519), (8868, 14504), (10346, 12432), (10878, 11824)]