28015650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4789}}^1$

素因数の和:4820

約数の個数: 72

約数和(自身を含む): 81075540

約数和(自身を除く): 53059890

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 4789, 5850, 9578, 14367, 23945, 28734, 43101, 47890, 62257, 71835, 86202, 119725, 124514, 143670, 186771, 215505, 239450, 311285, 359175, 373542, 431010, 560313, 622570, 718350, 933855, 1077525, 1120626, 1556425, 1867710, 2155050, 2801565, 3112850, 4669275, 5603130, 9338550, 14007825, 28015650]

約数ペア:

[(1, 28015650), (2, 14007825), (3, 9338550), (5, 5603130), (6, 4669275), (9, 3112850), (10, 2801565), (13, 2155050), (15, 1867710), (18, 1556425), (25, 1120626), (26, 1077525), (30, 933855), (39, 718350), (45, 622570), (50, 560313), (65, 431010), (75, 373542), (78, 359175), (90, 311285), (117, 239450), (130, 215505), (150, 186771), (195, 143670), (225, 124514), (234, 119725), (325, 86202), (390, 71835), (450, 62257), (585, 47890), (650, 43101), (975, 28734), (1170, 23945), (1950, 14367), (2925, 9578), (4789, 5850)]