163441620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1439}}^1$

素因数の和:2085

約数の個数: 72

約数和(自身を含む): 496903680

約数和(自身を除く): 333462060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 631, 1262, 1439, 1893, 2524, 2878, 3155, 3786, 4317, 5679, 5756, 6310, 7195, 7572, 8634, 9465, 11358, 12620, 12951, 14390, 17268, 18930, 21585, 22716, 25902, 28395, 28780, 37860, 43170, 51804, 56790, 64755, 86340, 113580, 129510, 259020, 908009, 1816018, 2724027, 3632036, 4540045, 5448054, 8172081, 9080090, 10896108, 13620135, 16344162, 18160180, 27240270, 32688324, 40860405, 54480540, 81720810, 163441620]

約数ペア:

[(1, 163441620), (2, 81720810), (3, 54480540), (4, 40860405), (5, 32688324), (6, 27240270), (9, 18160180), (10, 16344162), (12, 13620135), (15, 10896108), (18, 9080090), (20, 8172081), (30, 5448054), (36, 4540045), (45, 3632036), (60, 2724027), (90, 1816018), (180, 908009), (631, 259020), (1262, 129510), (1439, 113580), (1893, 86340), (2524, 64755), (2878, 56790), (3155, 51804), (3786, 43170), (4317, 37860), (5679, 28780), (5756, 28395), (6310, 25902), (7195, 22716), (7572, 21585), (8634, 18930), (9465, 17268), (11358, 14390), (12620, 12951)]