256299888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:731

約数の個数: 160

約数和(自身を含む): 776575296

約数和(自身を除く): 520275408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 37, 39, 48, 51, 52, 68, 74, 78, 102, 104, 111, 136, 148, 156, 204, 208, 221, 222, 272, 296, 312, 408, 442, 444, 481, 592, 624, 629, 653, 663, 816, 884, 888, 962, 1258, 1306, 1326, 1443, 1768, 1776, 1887, 1924, 1959, 2516, 2612, 2652, 2886, 3536, 3774, 3848, 3918, 5032, 5224, 5304, 5772, 7548, 7696, 7836, 8177, 8489, 10064, 10448, 10608, 11101, 11544, 15096, 15672, 16354, 16978, 22202, 23088, 24161, 24531, 25467, 30192, 31344, 32708, 33303, 33956, 44404, 48322, 49062, 50934, 65416, 66606, 67912, 72483, 88808, 96644, 98124, 101868, 130832, 133212, 135824, 144313, 144966, 177616, 193288, 196248, 203736, 266424, 288626, 289932, 314093, 386576, 392496, 407472, 410737, 432939, 532848, 577252, 579864, 628186, 821474, 865878, 942279, 1154504, 1159728, 1232211, 1256372, 1642948, 1731756, 1884558, 2309008, 2464422, 2512744, 3285896, 3463512, 3769116, 4928844, 5025488, 5339581, 6571792, 6927024, 7538232, 9857688, 10679162, 15076464, 16018743, 19715376, 21358324, 32037486, 42716648, 64074972, 85433296, 128149944, 256299888]

約数ペア:

[(1, 256299888), (2, 128149944), (3, 85433296), (4, 64074972), (6, 42716648), (8, 32037486), (12, 21358324), (13, 19715376), (16, 16018743), (17, 15076464), (24, 10679162), (26, 9857688), (34, 7538232), (37, 6927024), (39, 6571792), (48, 5339581), (51, 5025488), (52, 4928844), (68, 3769116), (74, 3463512), (78, 3285896), (102, 2512744), (104, 2464422), (111, 2309008), (136, 1884558), (148, 1731756), (156, 1642948), (204, 1256372), (208, 1232211), (221, 1159728), (222, 1154504), (272, 942279), (296, 865878), (312, 821474), (408, 628186), (442, 579864), (444, 577252), (481, 532848), (592, 432939), (624, 410737), (629, 407472), (653, 392496), (663, 386576), (816, 314093), (884, 289932), (888, 288626), (962, 266424), (1258, 203736), (1306, 196248), (1326, 193288), (1443, 177616), (1768, 144966), (1776, 144313), (1887, 135824), (1924, 133212), (1959, 130832), (2516, 101868), (2612, 98124), (2652, 96644), (2886, 88808), (3536, 72483), (3774, 67912), (3848, 66606), (3918, 65416), (5032, 50934), (5224, 49062), (5304, 48322), (5772, 44404), (7548, 33956), (7696, 33303), (7836, 32708), (8177, 31344), (8489, 30192), (10064, 25467), (10448, 24531), (10608, 24161), (11101, 23088), (11544, 22202), (15096, 16978), (15672, 16354)]