56551520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1223}}^1$

素因数の和:1272

約数の個数: 72

約数和(自身を含む): 142040304

約数和(自身を除く): 85488784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1223, 1360, 1445, 2312, 2446, 2720, 2890, 4624, 4892, 5780, 6115, 9248, 9784, 11560, 12230, 19568, 20791, 23120, 24460, 39136, 41582, 46240, 48920, 83164, 97840, 103955, 166328, 195680, 207910, 332656, 353447, 415820, 665312, 706894, 831640, 1413788, 1663280, 1767235, 2827576, 3326560, 3534470, 5655152, 7068940, 11310304, 14137880, 28275760, 56551520]

約数ペア:

[(1, 56551520), (2, 28275760), (4, 14137880), (5, 11310304), (8, 7068940), (10, 5655152), (16, 3534470), (17, 3326560), (20, 2827576), (32, 1767235), (34, 1663280), (40, 1413788), (68, 831640), (80, 706894), (85, 665312), (136, 415820), (160, 353447), (170, 332656), (272, 207910), (289, 195680), (340, 166328), (544, 103955), (578, 97840), (680, 83164), (1156, 48920), (1223, 46240), (1360, 41582), (1445, 39136), (2312, 24460), (2446, 23120), (2720, 20791), (2890, 19568), (4624, 12230), (4892, 11560), (5780, 9784), (6115, 9248)]