16399620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:2985

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 34968060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 2939, 5580, 5878, 8817, 11756, 14695, 17634, 26451, 29390, 35268, 44085, 52902, 58780, 88170, 91109, 105804, 132255, 176340, 182218, 264510, 273327, 364436, 455545, 529020, 546654, 819981, 911090, 1093308, 1366635, 1639962, 1822180, 2733270, 3279924, 4099905, 5466540, 8199810, 16399620]

約数ペア:

[(1, 16399620), (2, 8199810), (3, 5466540), (4, 4099905), (5, 3279924), (6, 2733270), (9, 1822180), (10, 1639962), (12, 1366635), (15, 1093308), (18, 911090), (20, 819981), (30, 546654), (31, 529020), (36, 455545), (45, 364436), (60, 273327), (62, 264510), (90, 182218), (93, 176340), (124, 132255), (155, 105804), (180, 91109), (186, 88170), (279, 58780), (310, 52902), (372, 44085), (465, 35268), (558, 29390), (620, 26451), (930, 17634), (1116, 14695), (1395, 11756), (1860, 8817), (2790, 5878), (2939, 5580)]