15491790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 41670720

約数和(自身を除く): 26178930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 181, 270, 317, 362, 543, 634, 905, 951, 1086, 1585, 1629, 1810, 1902, 2715, 2853, 3170, 3258, 4755, 4887, 5430, 5706, 8145, 8559, 9510, 9774, 14265, 16290, 17118, 24435, 28530, 42795, 48870, 57377, 85590, 114754, 172131, 286885, 344262, 516393, 573770, 860655, 1032786, 1549179, 1721310, 2581965, 3098358, 5163930, 7745895, 15491790]

約数ペア:

[(1, 15491790), (2, 7745895), (3, 5163930), (5, 3098358), (6, 2581965), (9, 1721310), (10, 1549179), (15, 1032786), (18, 860655), (27, 573770), (30, 516393), (45, 344262), (54, 286885), (90, 172131), (135, 114754), (181, 85590), (270, 57377), (317, 48870), (362, 42795), (543, 28530), (634, 24435), (905, 17118), (951, 16290), (1086, 14265), (1585, 9774), (1629, 9510), (1810, 8559), (1902, 8145), (2715, 5706), (2853, 5430), (3170, 4887), (3258, 4755)]