318574980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{11273}}^1$

素因数の和:11445

約数の個数: 72

約数和(自身を含む): 972585432

約数和(自身を除く): 654010452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 9420, 11273, 14130, 22546, 28260, 33819, 45092, 56365, 67638, 101457, 112730, 135276, 169095, 202914, 225460, 338190, 405828, 507285, 676380, 1014570, 1769861, 2029140, 3539722, 5309583, 7079444, 8849305, 10619166, 15928749, 17698610, 21238332, 26547915, 31857498, 35397220, 53095830, 63714996, 79643745, 106191660, 159287490, 318574980]

約数ペア:

[(1, 318574980), (2, 159287490), (3, 106191660), (4, 79643745), (5, 63714996), (6, 53095830), (9, 35397220), (10, 31857498), (12, 26547915), (15, 21238332), (18, 17698610), (20, 15928749), (30, 10619166), (36, 8849305), (45, 7079444), (60, 5309583), (90, 3539722), (157, 2029140), (180, 1769861), (314, 1014570), (471, 676380), (628, 507285), (785, 405828), (942, 338190), (1413, 225460), (1570, 202914), (1884, 169095), (2355, 135276), (2826, 112730), (3140, 101457), (4710, 67638), (5652, 56365), (7065, 45092), (9420, 33819), (11273, 28260), (14130, 22546)]