15738660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12491}}^1$

素因数の和:12513

約数の個数: 72

約数和(自身を含む): 54565056

約数和(自身を除く): 38826396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12491, 24982, 37473, 49964, 62455, 74946, 87437, 112419, 124910, 149892, 174874, 187365, 224838, 249820, 262311, 349748, 374730, 437185, 449676, 524622, 562095, 749460, 786933, 874370, 1049244, 1124190, 1311555, 1573866, 1748740, 2248380, 2623110, 3147732, 3934665, 5246220, 7869330, 15738660]

約数ペア:

[(1, 15738660), (2, 7869330), (3, 5246220), (4, 3934665), (5, 3147732), (6, 2623110), (7, 2248380), (9, 1748740), (10, 1573866), (12, 1311555), (14, 1124190), (15, 1049244), (18, 874370), (20, 786933), (21, 749460), (28, 562095), (30, 524622), (35, 449676), (36, 437185), (42, 374730), (45, 349748), (60, 262311), (63, 249820), (70, 224838), (84, 187365), (90, 174874), (105, 149892), (126, 124910), (140, 112419), (180, 87437), (210, 74946), (252, 62455), (315, 49964), (420, 37473), (630, 24982), (1260, 12491)]