28089120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:578

約数の個数: 96

約数和(自身を含む): 89328960

約数和(自身を除く): 61239840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 139, 160, 240, 278, 417, 421, 480, 556, 695, 834, 842, 1112, 1263, 1390, 1668, 1684, 2085, 2105, 2224, 2526, 2780, 3336, 3368, 4170, 4210, 4448, 5052, 5560, 6315, 6672, 6736, 8340, 8420, 10104, 11120, 12630, 13344, 13472, 16680, 16840, 20208, 22240, 25260, 33360, 33680, 40416, 50520, 58519, 66720, 67360, 101040, 117038, 175557, 202080, 234076, 292595, 351114, 468152, 585190, 702228, 877785, 936304, 1170380, 1404456, 1755570, 1872608, 2340760, 2808912, 3511140, 4681520, 5617824, 7022280, 9363040, 14044560, 28089120]

約数ペア:

[(1, 28089120), (2, 14044560), (3, 9363040), (4, 7022280), (5, 5617824), (6, 4681520), (8, 3511140), (10, 2808912), (12, 2340760), (15, 1872608), (16, 1755570), (20, 1404456), (24, 1170380), (30, 936304), (32, 877785), (40, 702228), (48, 585190), (60, 468152), (80, 351114), (96, 292595), (120, 234076), (139, 202080), (160, 175557), (240, 117038), (278, 101040), (417, 67360), (421, 66720), (480, 58519), (556, 50520), (695, 40416), (834, 33680), (842, 33360), (1112, 25260), (1263, 22240), (1390, 20208), (1668, 16840), (1684, 16680), (2085, 13472), (2105, 13344), (2224, 12630), (2526, 11120), (2780, 10104), (3336, 8420), (3368, 8340), (4170, 6736), (4210, 6672), (4448, 6315), (5052, 5560)]