155777820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:576

約数の個数: 144

約数和(自身を含む): 491568000

約数和(自身を除く): 335790180

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 121, 129, 132, 165, 172, 215, 220, 242, 258, 330, 363, 430, 473, 484, 499, 516, 605, 645, 660, 726, 860, 946, 998, 1210, 1290, 1419, 1452, 1497, 1815, 1892, 1996, 2365, 2420, 2495, 2580, 2838, 2994, 3630, 4730, 4990, 5203, 5489, 5676, 5988, 7095, 7260, 7485, 9460, 9980, 10406, 10978, 14190, 14970, 15609, 16467, 20812, 21457, 21956, 26015, 27445, 28380, 29940, 31218, 32934, 42914, 52030, 54890, 60379, 62436, 64371, 65868, 78045, 82335, 85828, 104060, 107285, 109780, 120758, 128742, 156090, 164670, 181137, 214570, 236027, 241516, 257484, 301895, 312180, 321855, 329340, 362274, 429140, 472054, 603790, 643710, 708081, 724548, 905685, 944108, 1180135, 1207580, 1287420, 1416162, 1811370, 2360270, 2596297, 2832324, 3540405, 3622740, 4720540, 5192594, 7080810, 7788891, 10385188, 12981485, 14161620, 15577782, 25962970, 31155564, 38944455, 51925940, 77888910, 155777820]

約数ペア:

[(1, 155777820), (2, 77888910), (3, 51925940), (4, 38944455), (5, 31155564), (6, 25962970), (10, 15577782), (11, 14161620), (12, 12981485), (15, 10385188), (20, 7788891), (22, 7080810), (30, 5192594), (33, 4720540), (43, 3622740), (44, 3540405), (55, 2832324), (60, 2596297), (66, 2360270), (86, 1811370), (110, 1416162), (121, 1287420), (129, 1207580), (132, 1180135), (165, 944108), (172, 905685), (215, 724548), (220, 708081), (242, 643710), (258, 603790), (330, 472054), (363, 429140), (430, 362274), (473, 329340), (484, 321855), (499, 312180), (516, 301895), (605, 257484), (645, 241516), (660, 236027), (726, 214570), (860, 181137), (946, 164670), (998, 156090), (1210, 128742), (1290, 120758), (1419, 109780), (1452, 107285), (1497, 104060), (1815, 85828), (1892, 82335), (1996, 78045), (2365, 65868), (2420, 64371), (2495, 62436), (2580, 60379), (2838, 54890), (2994, 52030), (3630, 42914), (4730, 32934), (4990, 31218), (5203, 29940), (5489, 28380), (5676, 27445), (5988, 26015), (7095, 21956), (7260, 21457), (7485, 20812), (9460, 16467), (9980, 15609), (10406, 14970), (10978, 14190)]