78933440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 112

約数和(自身を含む): 198485760

約数和(自身を除く): 119552320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 73, 80, 109, 124, 146, 155, 160, 218, 248, 292, 310, 320, 365, 436, 496, 545, 584, 620, 730, 872, 992, 1090, 1168, 1240, 1460, 1744, 1984, 2180, 2263, 2336, 2480, 2920, 3379, 3488, 4360, 4526, 4672, 4960, 5840, 6758, 6976, 7957, 8720, 9052, 9920, 11315, 11680, 13516, 15914, 16895, 17440, 18104, 22630, 23360, 27032, 31828, 33790, 34880, 36208, 39785, 45260, 54064, 63656, 67580, 72416, 79570, 90520, 108128, 127312, 135160, 144832, 159140, 181040, 216256, 246667, 254624, 270320, 318280, 362080, 493334, 509248, 540640, 636560, 724160, 986668, 1081280, 1233335, 1273120, 1973336, 2466670, 2546240, 3946672, 4933340, 7893344, 9866680, 15786688, 19733360, 39466720, 78933440]

約数ペア:

[(1, 78933440), (2, 39466720), (4, 19733360), (5, 15786688), (8, 9866680), (10, 7893344), (16, 4933340), (20, 3946672), (31, 2546240), (32, 2466670), (40, 1973336), (62, 1273120), (64, 1233335), (73, 1081280), (80, 986668), (109, 724160), (124, 636560), (146, 540640), (155, 509248), (160, 493334), (218, 362080), (248, 318280), (292, 270320), (310, 254624), (320, 246667), (365, 216256), (436, 181040), (496, 159140), (545, 144832), (584, 135160), (620, 127312), (730, 108128), (872, 90520), (992, 79570), (1090, 72416), (1168, 67580), (1240, 63656), (1460, 54064), (1744, 45260), (1984, 39785), (2180, 36208), (2263, 34880), (2336, 33790), (2480, 31828), (2920, 27032), (3379, 23360), (3488, 22630), (4360, 18104), (4526, 17440), (4672, 16895), (4960, 15914), (5840, 13516), (6758, 11680), (6976, 11315), (7957, 9920), (8720, 9052)]