90865620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2789}}^1$

素因数の和:2985

約数の個数: 72

約数和(自身を含む): 277247880

約数和(自身を除く): 186382260

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, 1629, 1810, 2172, 2715, 2789, 3258, 3620, 5430, 5578, 6516, 8145, 8367, 10860, 11156, 13945, 16290, 16734, 25101, 27890, 32580, 33468, 41835, 50202, 55780, 83670, 100404, 125505, 167340, 251010, 502020, 504809, 1009618, 1514427, 2019236, 2524045, 3028854, 4543281, 5048090, 6057708, 7572135, 9086562, 10096180, 15144270, 18173124, 22716405, 30288540, 45432810, 90865620]

約数ペア:

[(1, 90865620), (2, 45432810), (3, 30288540), (4, 22716405), (5, 18173124), (6, 15144270), (9, 10096180), (10, 9086562), (12, 7572135), (15, 6057708), (18, 5048090), (20, 4543281), (30, 3028854), (36, 2524045), (45, 2019236), (60, 1514427), (90, 1009618), (180, 504809), (181, 502020), (362, 251010), (543, 167340), (724, 125505), (905, 100404), (1086, 83670), (1629, 55780), (1810, 50202), (2172, 41835), (2715, 33468), (2789, 32580), (3258, 27890), (3620, 25101), (5430, 16734), (5578, 16290), (6516, 13945), (8145, 11156), (8367, 10860)]