1557483648

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18691}}^1$

素因数の和:18746

約数の個数: 128

約数和(自身を含む): 4880855040

約数和(自身を除く): 3323371392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 248, 336, 372, 384, 434, 448, 496, 651, 672, 744, 868, 896, 992, 1302, 1344, 1488, 1736, 1984, 2604, 2688, 2976, 3472, 3968, 5208, 5952, 6944, 10416, 11904, 13888, 18691, 20832, 27776, 37382, 41664, 56073, 74764, 83328, 112146, 130837, 149528, 224292, 261674, 299056, 392511, 448584, 523348, 579421, 598112, 785022, 897168, 1046696, 1158842, 1196224, 1570044, 1738263, 1794336, 2093392, 2317684, 2392448, 3140088, 3476526, 3588672, 4055947, 4186784, 4635368, 6280176, 6953052, 7177344, 8111894, 8373568, 9270736, 12167841, 12560352, 13906104, 16223788, 16747136, 18541472, 24335682, 25120704, 27812208, 32447576, 37082944, 48671364, 50241408, 55624416, 64895152, 74165888, 97342728, 111248832, 129790304, 194685456, 222497664, 259580608, 389370912, 519161216, 778741824, 1557483648]

約数ペア:

[(1, 1557483648), (2, 778741824), (3, 519161216), (4, 389370912), (6, 259580608), (7, 222497664), (8, 194685456), (12, 129790304), (14, 111248832), (16, 97342728), (21, 74165888), (24, 64895152), (28, 55624416), (31, 50241408), (32, 48671364), (42, 37082944), (48, 32447576), (56, 27812208), (62, 25120704), (64, 24335682), (84, 18541472), (93, 16747136), (96, 16223788), (112, 13906104), (124, 12560352), (128, 12167841), (168, 9270736), (186, 8373568), (192, 8111894), (217, 7177344), (224, 6953052), (248, 6280176), (336, 4635368), (372, 4186784), (384, 4055947), (434, 3588672), (448, 3476526), (496, 3140088), (651, 2392448), (672, 2317684), (744, 2093392), (868, 1794336), (896, 1738263), (992, 1570044), (1302, 1196224), (1344, 1158842), (1488, 1046696), (1736, 897168), (1984, 785022), (2604, 598112), (2688, 579421), (2976, 523348), (3472, 448584), (3968, 392511), (5208, 299056), (5952, 261674), (6944, 224292), (10416, 149528), (11904, 130837), (13888, 112146), (18691, 83328), (20832, 74764), (27776, 56073), (37382, 41664)]