72180840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{601507}}^1$

素因数の和:601521

約数の個数: 32

約数和(自身を含む): 216542880

約数和(自身を除く): 144362040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 601507, 1203014, 1804521, 2406028, 3007535, 3609042, 4812056, 6015070, 7218084, 9022605, 12030140, 14436168, 18045210, 24060280, 36090420, 72180840]

約数ペア:

[(1, 72180840), (2, 36090420), (3, 24060280), (4, 18045210), (5, 14436168), (6, 12030140), (8, 9022605), (10, 7218084), (12, 6015070), (15, 4812056), (20, 3609042), (24, 3007535), (30, 2406028), (40, 1804521), (60, 1203014), (120, 601507)]