311983380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18637}}^1$

素因数の和:18686

約数の個数: 96

約数和(自身を含む): 1001978880

約数和(自身を除く): 689995500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 5580, 8370, 16740, 18637, 37274, 55911, 74548, 93185, 111822, 167733, 186370, 223644, 279555, 335466, 372740, 503199, 559110, 577747, 670932, 838665, 1006398, 1118220, 1155494, 1677330, 1733241, 2012796, 2310988, 2515995, 2888735, 3354660, 3466482, 5031990, 5199723, 5777470, 6932964, 8666205, 10063980, 10399446, 11554940, 15599169, 17332410, 20798892, 25998615, 31198338, 34664820, 51997230, 62396676, 77995845, 103994460, 155991690, 311983380]

約数ペア:

[(1, 311983380), (2, 155991690), (3, 103994460), (4, 77995845), (5, 62396676), (6, 51997230), (9, 34664820), (10, 31198338), (12, 25998615), (15, 20798892), (18, 17332410), (20, 15599169), (27, 11554940), (30, 10399446), (31, 10063980), (36, 8666205), (45, 6932964), (54, 5777470), (60, 5199723), (62, 5031990), (90, 3466482), (93, 3354660), (108, 2888735), (124, 2515995), (135, 2310988), (155, 2012796), (180, 1733241), (186, 1677330), (270, 1155494), (279, 1118220), (310, 1006398), (372, 838665), (465, 670932), (540, 577747), (558, 559110), (620, 503199), (837, 372740), (930, 335466), (1116, 279555), (1395, 223644), (1674, 186370), (1860, 167733), (2790, 111822), (3348, 93185), (4185, 74548), (5580, 55911), (8370, 37274), (16740, 18637)]