31187880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2113}}^1$

素因数の和:2171

約数の個数: 96

約数和(自身を含む): 103881960

約数和(自身を除く): 72694080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1476, 1640, 1845, 2113, 2460, 2952, 3690, 4226, 4920, 6339, 7380, 8452, 10565, 12678, 14760, 16904, 19017, 21130, 25356, 31695, 38034, 42260, 50712, 63390, 76068, 84520, 86633, 95085, 126780, 152136, 173266, 190170, 253560, 259899, 346532, 380340, 433165, 519798, 693064, 760680, 779697, 866330, 1039596, 1299495, 1559394, 1732660, 2079192, 2598990, 3118788, 3465320, 3898485, 5197980, 6237576, 7796970, 10395960, 15593940, 31187880]

約数ペア:

[(1, 31187880), (2, 15593940), (3, 10395960), (4, 7796970), (5, 6237576), (6, 5197980), (8, 3898485), (9, 3465320), (10, 3118788), (12, 2598990), (15, 2079192), (18, 1732660), (20, 1559394), (24, 1299495), (30, 1039596), (36, 866330), (40, 779697), (41, 760680), (45, 693064), (60, 519798), (72, 433165), (82, 380340), (90, 346532), (120, 259899), (123, 253560), (164, 190170), (180, 173266), (205, 152136), (246, 126780), (328, 95085), (360, 86633), (369, 84520), (410, 76068), (492, 63390), (615, 50712), (738, 42260), (820, 38034), (984, 31695), (1230, 25356), (1476, 21130), (1640, 19017), (1845, 16904), (2113, 14760), (2460, 12678), (2952, 10565), (3690, 8452), (4226, 7380), (4920, 6339)]