2878950780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{515941}}^1$

素因数の和:515987

約数の個数: 72

約数和(自身を含む): 9014538624

約数和(自身を除く): 6135587844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 515941, 1031882, 1547823, 2063764, 2579705, 3095646, 4643469, 5159410, 6191292, 7739115, 9286938, 10318820, 15478230, 15994171, 18573876, 23217345, 30956460, 31988342, 46434690, 47982513, 63976684, 79970855, 92869380, 95965026, 143947539, 159941710, 191930052, 239912565, 287895078, 319883420, 479825130, 575790156, 719737695, 959650260, 1439475390, 2878950780]

約数ペア:

[(1, 2878950780), (2, 1439475390), (3, 959650260), (4, 719737695), (5, 575790156), (6, 479825130), (9, 319883420), (10, 287895078), (12, 239912565), (15, 191930052), (18, 159941710), (20, 143947539), (30, 95965026), (31, 92869380), (36, 79970855), (45, 63976684), (60, 47982513), (62, 46434690), (90, 31988342), (93, 30956460), (124, 23217345), (155, 18573876), (180, 15994171), (186, 15478230), (279, 10318820), (310, 9286938), (372, 7739115), (465, 6191292), (558, 5159410), (620, 4643469), (930, 3095646), (1116, 2579705), (1395, 2063764), (1860, 1547823), (2790, 1031882), (5580, 515941)]