821214660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{3169}}^1$

素因数の和:3805

約数の個数: 96

約数和(自身を含む): 2632976640

約数和(自身を除く): 1811761980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 617, 1234, 1851, 2468, 3085, 3169, 3702, 4319, 6170, 6338, 7404, 8638, 9255, 9507, 12340, 12676, 12957, 15845, 17276, 18510, 19014, 21595, 22183, 25914, 31690, 37020, 38028, 43190, 44366, 47535, 51828, 63380, 64785, 66549, 86380, 88732, 95070, 110915, 129570, 133098, 190140, 221830, 259140, 266196, 332745, 443660, 665490, 1330980, 1955273, 3910546, 5865819, 7821092, 9776365, 11731638, 13686911, 19552730, 23463276, 27373822, 29329095, 39105460, 41060733, 54747644, 58658190, 68434555, 82121466, 117316380, 136869110, 164242932, 205303665, 273738220, 410607330, 821214660]

約数ペア:

[(1, 821214660), (2, 410607330), (3, 273738220), (4, 205303665), (5, 164242932), (6, 136869110), (7, 117316380), (10, 82121466), (12, 68434555), (14, 58658190), (15, 54747644), (20, 41060733), (21, 39105460), (28, 29329095), (30, 27373822), (35, 23463276), (42, 19552730), (60, 13686911), (70, 11731638), (84, 9776365), (105, 7821092), (140, 5865819), (210, 3910546), (420, 1955273), (617, 1330980), (1234, 665490), (1851, 443660), (2468, 332745), (3085, 266196), (3169, 259140), (3702, 221830), (4319, 190140), (6170, 133098), (6338, 129570), (7404, 110915), (8638, 95070), (9255, 88732), (9507, 86380), (12340, 66549), (12676, 64785), (12957, 63380), (15845, 51828), (17276, 47535), (18510, 44366), (19014, 43190), (21595, 38028), (22183, 37020), (25914, 31690)]