66903660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{757}}^1$

素因数の和:1263

約数の個数: 72

約数和(自身を含む): 203623056

約数和(自身を除く): 136719396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 757, 982, 1473, 1514, 1964, 2271, 2455, 2946, 3028, 3785, 4419, 4542, 4910, 5892, 6813, 7365, 7570, 8838, 9084, 9820, 11355, 13626, 14730, 15140, 17676, 22095, 22710, 27252, 29460, 34065, 44190, 45420, 68130, 88380, 136260, 371687, 743374, 1115061, 1486748, 1858435, 2230122, 3345183, 3716870, 4460244, 5575305, 6690366, 7433740, 11150610, 13380732, 16725915, 22301220, 33451830, 66903660]

約数ペア:

[(1, 66903660), (2, 33451830), (3, 22301220), (4, 16725915), (5, 13380732), (6, 11150610), (9, 7433740), (10, 6690366), (12, 5575305), (15, 4460244), (18, 3716870), (20, 3345183), (30, 2230122), (36, 1858435), (45, 1486748), (60, 1115061), (90, 743374), (180, 371687), (491, 136260), (757, 88380), (982, 68130), (1473, 45420), (1514, 44190), (1964, 34065), (2271, 29460), (2455, 27252), (2946, 22710), (3028, 22095), (3785, 17676), (4419, 15140), (4542, 14730), (4910, 13626), (5892, 11355), (6813, 9820), (7365, 9084), (7570, 8838)]