31476780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5641}}^1$

素因数の和:5687

約数の個数: 72

約数和(自身を含む): 98577024

約数和(自身を除く): 67100244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 5641, 11282, 16923, 22564, 28205, 33846, 50769, 56410, 67692, 84615, 101538, 112820, 169230, 174871, 203076, 253845, 338460, 349742, 507690, 524613, 699484, 874355, 1015380, 1049226, 1573839, 1748710, 2098452, 2623065, 3147678, 3497420, 5246130, 6295356, 7869195, 10492260, 15738390, 31476780]

約数ペア:

[(1, 31476780), (2, 15738390), (3, 10492260), (4, 7869195), (5, 6295356), (6, 5246130), (9, 3497420), (10, 3147678), (12, 2623065), (15, 2098452), (18, 1748710), (20, 1573839), (30, 1049226), (31, 1015380), (36, 874355), (45, 699484), (60, 524613), (62, 507690), (90, 349742), (93, 338460), (124, 253845), (155, 203076), (180, 174871), (186, 169230), (279, 112820), (310, 101538), (372, 84615), (465, 67692), (558, 56410), (620, 50769), (930, 33846), (1116, 28205), (1395, 22564), (1860, 16923), (2790, 11282), (5580, 5641)]