756990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 2122848

約数和(自身を除く): 1365858

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 647, 1170, 1294, 1941, 3235, 3882, 5823, 6470, 8411, 9705, 11646, 16822, 19410, 25233, 29115, 42055, 50466, 58230, 75699, 84110, 126165, 151398, 252330, 378495, 756990]

約数ペア:

[(1, 756990), (2, 378495), (3, 252330), (5, 151398), (6, 126165), (9, 84110), (10, 75699), (13, 58230), (15, 50466), (18, 42055), (26, 29115), (30, 25233), (39, 19410), (45, 16822), (65, 11646), (78, 9705), (90, 8411), (117, 6470), (130, 5823), (195, 3882), (234, 3235), (390, 1941), (585, 1294), (647, 1170)]