777906480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{249329}}^1$

素因数の和:249358

約数の個数: 80

約数和(自身を含む): 2597021280

約数和(自身を除く): 1819114800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 249329, 498658, 747987, 997316, 1246645, 1495974, 1994632, 2493290, 2991948, 3241277, 3739935, 3989264, 4986580, 5983896, 6482554, 7479870, 9723831, 9973160, 11967792, 12965108, 14959740, 16206385, 19447662, 19946320, 25930216, 29919480, 32412770, 38895324, 48619155, 51860432, 59838960, 64825540, 77790648, 97238310, 129651080, 155581296, 194476620, 259302160, 388953240, 777906480]

約数ペア:

[(1, 777906480), (2, 388953240), (3, 259302160), (4, 194476620), (5, 155581296), (6, 129651080), (8, 97238310), (10, 77790648), (12, 64825540), (13, 59838960), (15, 51860432), (16, 48619155), (20, 38895324), (24, 32412770), (26, 29919480), (30, 25930216), (39, 19946320), (40, 19447662), (48, 16206385), (52, 14959740), (60, 12965108), (65, 11967792), (78, 9973160), (80, 9723831), (104, 7479870), (120, 6482554), (130, 5983896), (156, 4986580), (195, 3989264), (208, 3739935), (240, 3241277), (260, 2991948), (312, 2493290), (390, 1994632), (520, 1495974), (624, 1246645), (780, 997316), (1040, 747987), (1560, 498658), (3120, 249329)]