217032720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{904303}}^1$

素因数の和:904319

約数の個数: 40

約数和(自身を含む): 672802176

約数和(自身を除く): 455769456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 904303, 1808606, 2712909, 3617212, 4521515, 5425818, 7234424, 9043030, 10851636, 13564545, 14468848, 18086060, 21703272, 27129090, 36172120, 43406544, 54258180, 72344240, 108516360, 217032720]

約数ペア:

[(1, 217032720), (2, 108516360), (3, 72344240), (4, 54258180), (5, 43406544), (6, 36172120), (8, 27129090), (10, 21703272), (12, 18086060), (15, 14468848), (16, 13564545), (20, 10851636), (24, 9043030), (30, 7234424), (40, 5425818), (48, 4521515), (60, 3617212), (80, 2712909), (120, 1808606), (240, 904303)]