39128580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1201}}^1$

素因数の和:1397

約数の個数: 72

約数和(自身を含む): 119445144

約数和(自身を除く): 80316564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1201, 1629, 1810, 2172, 2402, 2715, 3258, 3603, 3620, 4804, 5430, 6005, 6516, 7206, 8145, 10809, 10860, 12010, 14412, 16290, 18015, 21618, 24020, 32580, 36030, 43236, 54045, 72060, 108090, 216180, 217381, 434762, 652143, 869524, 1086905, 1304286, 1956429, 2173810, 2608572, 3260715, 3912858, 4347620, 6521430, 7825716, 9782145, 13042860, 19564290, 39128580]

約数ペア:

[(1, 39128580), (2, 19564290), (3, 13042860), (4, 9782145), (5, 7825716), (6, 6521430), (9, 4347620), (10, 3912858), (12, 3260715), (15, 2608572), (18, 2173810), (20, 1956429), (30, 1304286), (36, 1086905), (45, 869524), (60, 652143), (90, 434762), (180, 217381), (181, 216180), (362, 108090), (543, 72060), (724, 54045), (905, 43236), (1086, 36030), (1201, 32580), (1629, 24020), (1810, 21618), (2172, 18015), (2402, 16290), (2715, 14412), (3258, 12010), (3603, 10860), (3620, 10809), (4804, 8145), (5430, 7206), (6005, 6516)]