31393680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{130807}}^1$

素因数の和:130823

約数の個数: 40

約数和(自身を含む): 97321152

約数和(自身を除く): 65927472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 130807, 261614, 392421, 523228, 654035, 784842, 1046456, 1308070, 1569684, 1962105, 2092912, 2616140, 3139368, 3924210, 5232280, 6278736, 7848420, 10464560, 15696840, 31393680]

約数ペア:

[(1, 31393680), (2, 15696840), (3, 10464560), (4, 7848420), (5, 6278736), (6, 5232280), (8, 3924210), (10, 3139368), (12, 2616140), (15, 2092912), (16, 1962105), (20, 1569684), (24, 1308070), (30, 1046456), (40, 784842), (48, 654035), (60, 523228), (80, 392421), (120, 261614), (240, 130807)]