12720990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7187}}^1$

素因数の和:7256

約数の個数: 32

約数和(自身を含む): 31052160

約数和(自身を除く): 18331170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770, 7187, 14374, 21561, 35935, 43122, 71870, 107805, 215610, 424033, 848066, 1272099, 2120165, 2544198, 4240330, 6360495, 12720990]

約数ペア:

[(1, 12720990), (2, 6360495), (3, 4240330), (5, 2544198), (6, 2120165), (10, 1272099), (15, 848066), (30, 424033), (59, 215610), (118, 107805), (177, 71870), (295, 43122), (354, 35935), (590, 21561), (885, 14374), (1770, 7187)]