90391520

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 221538240

約数和(自身を除く): 131146720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 73, 80, 109, 142, 146, 160, 218, 284, 292, 355, 365, 436, 545, 568, 584, 710, 730, 872, 1090, 1136, 1168, 1420, 1460, 1744, 2180, 2272, 2336, 2840, 2920, 3488, 4360, 5183, 5680, 5840, 7739, 7957, 8720, 10366, 11360, 11680, 15478, 15914, 17440, 20732, 25915, 30956, 31828, 38695, 39785, 41464, 51830, 61912, 63656, 77390, 79570, 82928, 103660, 123824, 127312, 154780, 159140, 165856, 207320, 247648, 254624, 309560, 318280, 414640, 564947, 619120, 636560, 829280, 1129894, 1238240, 1273120, 2259788, 2824735, 4519576, 5649470, 9039152, 11298940, 18078304, 22597880, 45195760, 90391520]

約数ペア:

[(1, 90391520), (2, 45195760), (4, 22597880), (5, 18078304), (8, 11298940), (10, 9039152), (16, 5649470), (20, 4519576), (32, 2824735), (40, 2259788), (71, 1273120), (73, 1238240), (80, 1129894), (109, 829280), (142, 636560), (146, 619120), (160, 564947), (218, 414640), (284, 318280), (292, 309560), (355, 254624), (365, 247648), (436, 207320), (545, 165856), (568, 159140), (584, 154780), (710, 127312), (730, 123824), (872, 103660), (1090, 82928), (1136, 79570), (1168, 77390), (1420, 63656), (1460, 61912), (1744, 51830), (2180, 41464), (2272, 39785), (2336, 38695), (2840, 31828), (2920, 30956), (3488, 25915), (4360, 20732), (5183, 17440), (5680, 15914), (5840, 15478), (7739, 11680), (7957, 11360), (8720, 10366)]