90639090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43787}}^1$

素因数の和:43823

約数の個数: 48

約数和(自身を含む): 245913408

約数和(自身を除く): 155274318

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 43787, 87574, 131361, 218935, 262722, 394083, 437870, 656805, 788166, 1007101, 1313610, 1970415, 2014202, 3021303, 3940830, 5035505, 6042606, 9063909, 10071010, 15106515, 18127818, 30213030, 45319545, 90639090]

約数ペア:

[(1, 90639090), (2, 45319545), (3, 30213030), (5, 18127818), (6, 15106515), (9, 10071010), (10, 9063909), (15, 6042606), (18, 5035505), (23, 3940830), (30, 3021303), (45, 2014202), (46, 1970415), (69, 1313610), (90, 1007101), (115, 788166), (138, 656805), (207, 437870), (230, 394083), (345, 262722), (414, 218935), (690, 131361), (1035, 87574), (2070, 43787)]