128540431168

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1\times {\mathrm{419}}^1$

素因数の和:1056

約数の個数: 112

約数和(自身を含む): 261413792640

約数和(自身を除く): 132873361472

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 181, 284, 362, 373, 419, 568, 724, 746, 838, 1136, 1448, 1492, 1676, 2272, 2896, 2984, 3352, 4544, 5792, 5968, 6704, 11584, 11936, 12851, 13408, 23872, 25702, 26483, 26816, 29749, 51404, 52966, 59498, 67513, 75839, 102808, 105932, 118996, 135026, 151678, 156287, 205616, 211864, 237992, 270052, 303356, 312574, 411232, 423728, 475984, 540104, 606712, 625148, 822464, 847456, 951968, 1080208, 1213424, 1250296, 1694912, 1903936, 2160416, 2426848, 2500592, 4320832, 4793423, 4853696, 5001184, 5384569, 9586846, 10002368, 10769138, 11096377, 19173692, 21538276, 22192754, 28287947, 38347384, 43076552, 44385508, 56575894, 76694768, 86153104, 88771016, 113151788, 153389536, 172306208, 177542032, 226303576, 306779072, 344612416, 355084064, 452607152, 710168128, 905214304, 1810428608, 2008444237, 4016888474, 8033776948, 16067553896, 32135107792, 64270215584, 128540431168]

約数ペア:

[(1, 128540431168), (2, 64270215584), (4, 32135107792), (8, 16067553896), (16, 8033776948), (32, 4016888474), (64, 2008444237), (71, 1810428608), (142, 905214304), (181, 710168128), (284, 452607152), (362, 355084064), (373, 344612416), (419, 306779072), (568, 226303576), (724, 177542032), (746, 172306208), (838, 153389536), (1136, 113151788), (1448, 88771016), (1492, 86153104), (1676, 76694768), (2272, 56575894), (2896, 44385508), (2984, 43076552), (3352, 38347384), (4544, 28287947), (5792, 22192754), (5968, 21538276), (6704, 19173692), (11584, 11096377), (11936, 10769138), (12851, 10002368), (13408, 9586846), (23872, 5384569), (25702, 5001184), (26483, 4853696), (26816, 4793423), (29749, 4320832), (51404, 2500592), (52966, 2426848), (59498, 2160416), (67513, 1903936), (75839, 1694912), (102808, 1250296), (105932, 1213424), (118996, 1080208), (135026, 951968), (151678, 847456), (156287, 822464), (205616, 625148), (211864, 606712), (237992, 540104), (270052, 475984), (303356, 423728), (312574, 411232)]