1261650

素因数分解:

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

素因数の和:675

約数の個数: 48

約数和(自身を含む): 3374784

約数和(自身を除く): 2113134

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 647, 650, 975, 1294, 1941, 1950, 3235, 3882, 6470, 8411, 9705, 16175, 16822, 19410, 25233, 32350, 42055, 48525, 50466, 84110, 97050, 126165, 210275, 252330, 420550, 630825, 1261650]

約数ペア:

[(1, 1261650), (2, 630825), (3, 420550), (5, 252330), (6, 210275), (10, 126165), (13, 97050), (15, 84110), (25, 50466), (26, 48525), (30, 42055), (39, 32350), (50, 25233), (65, 19410), (75, 16822), (78, 16175), (130, 9705), (150, 8411), (195, 6470), (325, 3882), (390, 3235), (647, 1950), (650, 1941), (975, 1294)]