81948595480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{143357}}^1$

素因数の和:143860

約数の個数: 64

約数和(自身を含む): 190746420480

約数和(自身を除く): 108797825000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 461, 620, 922, 1240, 1844, 2305, 3688, 4610, 9220, 14291, 18440, 28582, 57164, 71455, 114328, 142910, 143357, 285820, 286714, 571640, 573428, 716785, 1146856, 1433570, 2867140, 4444067, 5734280, 8888134, 17776268, 22220335, 35552536, 44440670, 66087577, 88881340, 132175154, 177762680, 264350308, 330437885, 528700616, 660875770, 1321751540, 2048714887, 2643503080, 4097429774, 8194859548, 10243574435, 16389719096, 20487148870, 40974297740, 81948595480]

約数ペア:

[(1, 81948595480), (2, 40974297740), (4, 20487148870), (5, 16389719096), (8, 10243574435), (10, 8194859548), (20, 4097429774), (31, 2643503080), (40, 2048714887), (62, 1321751540), (124, 660875770), (155, 528700616), (248, 330437885), (310, 264350308), (461, 177762680), (620, 132175154), (922, 88881340), (1240, 66087577), (1844, 44440670), (2305, 35552536), (3688, 22220335), (4610, 17776268), (9220, 8888134), (14291, 5734280), (18440, 4444067), (28582, 2867140), (57164, 1433570), (71455, 1146856), (114328, 716785), (142910, 573428), (143357, 571640), (285820, 286714)]