31265580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1187}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 87816960

約数和(自身を除く): 56551380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 878, 1187, 1317, 1756, 2195, 2374, 2634, 3561, 4390, 4748, 5268, 5935, 6585, 7122, 8780, 11870, 13170, 14244, 17805, 23740, 26340, 35610, 71220, 521093, 1042186, 1563279, 2084372, 2605465, 3126558, 5210930, 6253116, 7816395, 10421860, 15632790, 31265580]

約数ペア:

[(1, 31265580), (2, 15632790), (3, 10421860), (4, 7816395), (5, 6253116), (6, 5210930), (10, 3126558), (12, 2605465), (15, 2084372), (20, 1563279), (30, 1042186), (60, 521093), (439, 71220), (878, 35610), (1187, 26340), (1317, 23740), (1756, 17805), (2195, 14244), (2374, 13170), (2634, 11870), (3561, 8780), (4390, 7122), (4748, 6585), (5268, 5935)]