221511240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{205103}}^1$

素因数の和:205123

約数の個数: 64

約数和(自身を含む): 738374400

約数和(自身を除く): 516863160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 205103, 410206, 615309, 820412, 1025515, 1230618, 1640824, 1845927, 2051030, 2461236, 3076545, 3691854, 4102060, 4922472, 5537781, 6153090, 7383708, 8204120, 9229635, 11075562, 12306180, 14767416, 18459270, 22151124, 24612360, 27688905, 36918540, 44302248, 55377810, 73837080, 110755620, 221511240]

約数ペア:

[(1, 221511240), (2, 110755620), (3, 73837080), (4, 55377810), (5, 44302248), (6, 36918540), (8, 27688905), (9, 24612360), (10, 22151124), (12, 18459270), (15, 14767416), (18, 12306180), (20, 11075562), (24, 9229635), (27, 8204120), (30, 7383708), (36, 6153090), (40, 5537781), (45, 4922472), (54, 4102060), (60, 3691854), (72, 3076545), (90, 2461236), (108, 2051030), (120, 1845927), (135, 1640824), (180, 1230618), (216, 1025515), (270, 820412), (360, 615309), (540, 410206), (1080, 205103)]