631714140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{389947}}^1$

素因数の和:389968

約数の個数: 60

約数和(自身を含む): 1981715736

約数和(自身を除く): 1350001596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 389947, 779894, 1169841, 1559788, 1949735, 2339682, 3509523, 3899470, 4679364, 5849205, 7019046, 7798940, 10528569, 11698410, 14038092, 17547615, 21057138, 23396820, 31585707, 35095230, 42114276, 52642845, 63171414, 70190460, 105285690, 126342828, 157928535, 210571380, 315857070, 631714140]

約数ペア:

[(1, 631714140), (2, 315857070), (3, 210571380), (4, 157928535), (5, 126342828), (6, 105285690), (9, 70190460), (10, 63171414), (12, 52642845), (15, 42114276), (18, 35095230), (20, 31585707), (27, 23396820), (30, 21057138), (36, 17547615), (45, 14038092), (54, 11698410), (60, 10528569), (81, 7798940), (90, 7019046), (108, 5849205), (135, 4679364), (162, 3899470), (180, 3509523), (270, 2339682), (324, 1949735), (405, 1559788), (540, 1169841), (810, 779894), (1620, 389947)]