128661456

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4973}}^1$

素因数の和:5009

約数の個数: 120

約数和(自身を含む): 421874784

約数和(自身を除く): 293213328

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 98, 112, 132, 147, 154, 168, 176, 196, 231, 264, 294, 308, 336, 392, 462, 528, 539, 588, 616, 784, 924, 1078, 1176, 1232, 1617, 1848, 2156, 2352, 3234, 3696, 4312, 4973, 6468, 8624, 9946, 12936, 14919, 19892, 25872, 29838, 34811, 39784, 54703, 59676, 69622, 79568, 104433, 109406, 119352, 139244, 164109, 208866, 218812, 238704, 243677, 278488, 328218, 382921, 417732, 437624, 487354, 556976, 656436, 731031, 765842, 835464, 875248, 974708, 1148763, 1312872, 1462062, 1531684, 1670928, 1949416, 2297526, 2625744, 2680447, 2924124, 3063368, 3898832, 4595052, 5360894, 5848248, 6126736, 8041341, 9190104, 10721788, 11696496, 16082682, 18380208, 21443576, 32165364, 42887152, 64330728, 128661456]

約数ペア:

[(1, 128661456), (2, 64330728), (3, 42887152), (4, 32165364), (6, 21443576), (7, 18380208), (8, 16082682), (11, 11696496), (12, 10721788), (14, 9190104), (16, 8041341), (21, 6126736), (22, 5848248), (24, 5360894), (28, 4595052), (33, 3898832), (42, 3063368), (44, 2924124), (48, 2680447), (49, 2625744), (56, 2297526), (66, 1949416), (77, 1670928), (84, 1531684), (88, 1462062), (98, 1312872), (112, 1148763), (132, 974708), (147, 875248), (154, 835464), (168, 765842), (176, 731031), (196, 656436), (231, 556976), (264, 487354), (294, 437624), (308, 417732), (336, 382921), (392, 328218), (462, 278488), (528, 243677), (539, 238704), (588, 218812), (616, 208866), (784, 164109), (924, 139244), (1078, 119352), (1176, 109406), (1232, 104433), (1617, 79568), (1848, 69622), (2156, 59676), (2352, 54703), (3234, 39784), (3696, 34811), (4312, 29838), (4973, 25872), (6468, 19892), (8624, 14919), (9946, 12936)]