180487240

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{12097}}^1$

素因数の和:12481

約数の個数: 32

約数和(自身を含む): 407218680

約数和(自身を除く): 226731440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 12097, 14920, 24194, 48388, 60485, 96776, 120970, 241940, 483880, 4512181, 9024362, 18048724, 22560905, 36097448, 45121810, 90243620, 180487240]

約数ペア:

[(1, 180487240), (2, 90243620), (4, 45121810), (5, 36097448), (8, 22560905), (10, 18048724), (20, 9024362), (40, 4512181), (373, 483880), (746, 241940), (1492, 120970), (1865, 96776), (2984, 60485), (3730, 48388), (7460, 24194), (12097, 14920)]