15491220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 45069024

約数和(自身を除く): 29577804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 307, 348, 435, 580, 614, 841, 870, 921, 1228, 1535, 1682, 1740, 1842, 2523, 3070, 3364, 3684, 4205, 4605, 5046, 6140, 8410, 8903, 9210, 10092, 12615, 16820, 17806, 18420, 25230, 26709, 35612, 44515, 50460, 53418, 89030, 106836, 133545, 178060, 258187, 267090, 516374, 534180, 774561, 1032748, 1290935, 1549122, 2581870, 3098244, 3872805, 5163740, 7745610, 15491220]

約数ペア:

[(1, 15491220), (2, 7745610), (3, 5163740), (4, 3872805), (5, 3098244), (6, 2581870), (10, 1549122), (12, 1290935), (15, 1032748), (20, 774561), (29, 534180), (30, 516374), (58, 267090), (60, 258187), (87, 178060), (116, 133545), (145, 106836), (174, 89030), (290, 53418), (307, 50460), (348, 44515), (435, 35612), (580, 26709), (614, 25230), (841, 18420), (870, 17806), (921, 16820), (1228, 12615), (1535, 10092), (1682, 9210), (1740, 8903), (1842, 8410), (2523, 6140), (3070, 5046), (3364, 4605), (3684, 4205)]