17970420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23039}}^1$

素因数の和:23064

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 36219660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23039, 46078, 69117, 92156, 115195, 138234, 230390, 276468, 299507, 345585, 460780, 599014, 691170, 898521, 1198028, 1382340, 1497535, 1797042, 2995070, 3594084, 4492605, 5990140, 8985210, 17970420]

約数ペア:

[(1, 17970420), (2, 8985210), (3, 5990140), (4, 4492605), (5, 3594084), (6, 2995070), (10, 1797042), (12, 1497535), (13, 1382340), (15, 1198028), (20, 898521), (26, 691170), (30, 599014), (39, 460780), (52, 345585), (60, 299507), (65, 276468), (78, 230390), (130, 138234), (156, 115195), (195, 92156), (260, 69117), (390, 46078), (780, 23039)]