31867380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5711}}^1$

素因数の和:5757

約数の個数: 72

約数和(自身を含む): 99800064

約数和(自身を除く): 67932684

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, 5711, 11422, 17133, 22844, 28555, 34266, 51399, 57110, 68532, 85665, 102798, 114220, 171330, 177041, 205596, 256995, 342660, 354082, 513990, 531123, 708164, 885205, 1027980, 1062246, 1593369, 1770410, 2124492, 2655615, 3186738, 3540820, 5311230, 6373476, 7966845, 10622460, 15933690, 31867380]

約数ペア:

[(1, 31867380), (2, 15933690), (3, 10622460), (4, 7966845), (5, 6373476), (6, 5311230), (9, 3540820), (10, 3186738), (12, 2655615), (15, 2124492), (18, 1770410), (20, 1593369), (30, 1062246), (31, 1027980), (36, 885205), (45, 708164), (60, 531123), (62, 513990), (90, 354082), (93, 342660), (124, 256995), (155, 205596), (180, 177041), (186, 171330), (279, 114220), (310, 102798), (372, 85665), (465, 68532), (558, 57110), (620, 51399), (930, 34266), (1116, 28555), (1395, 22844), (1860, 17133), (2790, 11422), (5580, 5711)]