219207420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{20641}}^1$

素因数の和:20715

約数の個数: 72

約数和(自身を含む): 676231920

約数和(自身を除く): 457024500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 20641, 41282, 61923, 82564, 103205, 123846, 185769, 206410, 247692, 309615, 371538, 412820, 619230, 743076, 928845, 1217819, 1238460, 1857690, 2435638, 3653457, 3715380, 4871276, 6089095, 7306914, 10960371, 12178190, 14613828, 18267285, 21920742, 24356380, 36534570, 43841484, 54801855, 73069140, 109603710, 219207420]

約数ペア:

[(1, 219207420), (2, 109603710), (3, 73069140), (4, 54801855), (5, 43841484), (6, 36534570), (9, 24356380), (10, 21920742), (12, 18267285), (15, 14613828), (18, 12178190), (20, 10960371), (30, 7306914), (36, 6089095), (45, 4871276), (59, 3715380), (60, 3653457), (90, 2435638), (118, 1857690), (177, 1238460), (180, 1217819), (236, 928845), (295, 743076), (354, 619230), (531, 412820), (590, 371538), (708, 309615), (885, 247692), (1062, 206410), (1180, 185769), (1770, 123846), (2124, 103205), (2655, 82564), (3540, 61923), (5310, 41282), (10620, 20641)]