215498220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1319}}^1$

素因数の和:1727

約数の個数: 96

約数和(自身を含む): 691891200

約数和(自身を除く): 476392980

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, 389, 420, 778, 1167, 1319, 1556, 1945, 2334, 2638, 2723, 3890, 3957, 4668, 5276, 5446, 5835, 6595, 7780, 7914, 8169, 9233, 10892, 11670, 13190, 13615, 15828, 16338, 18466, 19785, 23340, 26380, 27230, 27699, 32676, 36932, 39570, 40845, 46165, 54460, 55398, 79140, 81690, 92330, 110796, 138495, 163380, 184660, 276990, 513091, 553980, 1026182, 1539273, 2052364, 2565455, 3078546, 3591637, 5130910, 6157092, 7183274, 7696365, 10261820, 10774911, 14366548, 15392730, 17958185, 21549822, 30785460, 35916370, 43099644, 53874555, 71832740, 107749110, 215498220]

約数ペア:

[(1, 215498220), (2, 107749110), (3, 71832740), (4, 53874555), (5, 43099644), (6, 35916370), (7, 30785460), (10, 21549822), (12, 17958185), (14, 15392730), (15, 14366548), (20, 10774911), (21, 10261820), (28, 7696365), (30, 7183274), (35, 6157092), (42, 5130910), (60, 3591637), (70, 3078546), (84, 2565455), (105, 2052364), (140, 1539273), (210, 1026182), (389, 553980), (420, 513091), (778, 276990), (1167, 184660), (1319, 163380), (1556, 138495), (1945, 110796), (2334, 92330), (2638, 81690), (2723, 79140), (3890, 55398), (3957, 54460), (4668, 46165), (5276, 40845), (5446, 39570), (5835, 36932), (6595, 32676), (7780, 27699), (7914, 27230), (8169, 26380), (9233, 23340), (10892, 19785), (11670, 18466), (13190, 16338), (13615, 15828)]