31244880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 97475904

約数和(自身を除く): 66231024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 617, 633, 844, 1055, 1234, 1266, 1688, 1851, 2110, 2468, 2532, 3085, 3165, 3376, 3702, 4220, 4936, 5064, 6170, 6330, 7404, 8440, 9255, 9872, 10128, 12340, 12660, 14808, 16880, 18510, 24680, 25320, 29616, 37020, 49360, 50640, 74040, 130187, 148080, 260374, 390561, 520748, 650935, 781122, 1041496, 1301870, 1562244, 1952805, 2082992, 2603740, 3124488, 3905610, 5207480, 6248976, 7811220, 10414960, 15622440, 31244880]

約数ペア:

[(1, 31244880), (2, 15622440), (3, 10414960), (4, 7811220), (5, 6248976), (6, 5207480), (8, 3905610), (10, 3124488), (12, 2603740), (15, 2082992), (16, 1952805), (20, 1562244), (24, 1301870), (30, 1041496), (40, 781122), (48, 650935), (60, 520748), (80, 390561), (120, 260374), (211, 148080), (240, 130187), (422, 74040), (617, 50640), (633, 49360), (844, 37020), (1055, 29616), (1234, 25320), (1266, 24680), (1688, 18510), (1851, 16880), (2110, 14808), (2468, 12660), (2532, 12340), (3085, 10128), (3165, 9872), (3376, 9255), (3702, 8440), (4220, 7404), (4936, 6330), (5064, 6170)]