31571220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2671}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 88881408

約数和(自身を除く): 57310188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2671, 2955, 3940, 5342, 5910, 8013, 10684, 11820, 13355, 16026, 26710, 32052, 40065, 53420, 80130, 160260, 526187, 1052374, 1578561, 2104748, 2630935, 3157122, 5261870, 6314244, 7892805, 10523740, 15785610, 31571220]

約数ペア:

[(1, 31571220), (2, 15785610), (3, 10523740), (4, 7892805), (5, 6314244), (6, 5261870), (10, 3157122), (12, 2630935), (15, 2104748), (20, 1578561), (30, 1052374), (60, 526187), (197, 160260), (394, 80130), (591, 53420), (788, 40065), (985, 32052), (1182, 26710), (1970, 16026), (2364, 13355), (2671, 11820), (2955, 10684), (3940, 8013), (5342, 5910)]