639101040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2662921}}^1$

素因数の和:2662937

約数の個数: 40

約数和(自身を含む): 1981213968

約数和(自身を除く): 1342112928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2662921, 5325842, 7988763, 10651684, 13314605, 15977526, 21303368, 26629210, 31955052, 39943815, 42606736, 53258420, 63910104, 79887630, 106516840, 127820208, 159775260, 213033680, 319550520, 639101040]

約数ペア:

[(1, 639101040), (2, 319550520), (3, 213033680), (4, 159775260), (5, 127820208), (6, 106516840), (8, 79887630), (10, 63910104), (12, 53258420), (15, 42606736), (16, 39943815), (20, 31955052), (24, 26629210), (30, 21303368), (40, 15977526), (48, 13314605), (60, 10651684), (80, 7988763), (120, 5325842), (240, 2662921)]