15491940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8329}}^1$

素因数の和:8372

約数の個数: 48

約数和(自身を含む): 44782080

約数和(自身を除く): 29290140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 8329, 16658, 24987, 33316, 41645, 49974, 83290, 99948, 124935, 166580, 249870, 258199, 499740, 516398, 774597, 1032796, 1290995, 1549194, 2581990, 3098388, 3872985, 5163980, 7745970, 15491940]

約数ペア:

[(1, 15491940), (2, 7745970), (3, 5163980), (4, 3872985), (5, 3098388), (6, 2581990), (10, 1549194), (12, 1290995), (15, 1032796), (20, 774597), (30, 516398), (31, 499740), (60, 258199), (62, 249870), (93, 166580), (124, 124935), (155, 99948), (186, 83290), (310, 49974), (372, 41645), (465, 33316), (620, 24987), (930, 16658), (1860, 8329)]