66474140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 149761248

約数和(自身を除く): 83287108

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 103, 115, 122, 206, 230, 244, 305, 412, 460, 515, 529, 610, 1030, 1058, 1220, 1403, 2060, 2116, 2369, 2645, 2806, 4738, 5290, 5612, 6283, 7015, 9476, 10580, 11845, 12566, 14030, 23690, 25132, 28060, 31415, 32269, 47380, 54487, 62830, 64538, 108974, 125660, 129076, 144509, 161345, 217948, 272435, 289018, 322690, 544870, 578036, 645380, 722545, 1089740, 1445090, 2890180, 3323707, 6647414, 13294828, 16618535, 33237070, 66474140]

約数ペア:

[(1, 66474140), (2, 33237070), (4, 16618535), (5, 13294828), (10, 6647414), (20, 3323707), (23, 2890180), (46, 1445090), (61, 1089740), (92, 722545), (103, 645380), (115, 578036), (122, 544870), (206, 322690), (230, 289018), (244, 272435), (305, 217948), (412, 161345), (460, 144509), (515, 129076), (529, 125660), (610, 108974), (1030, 64538), (1058, 62830), (1220, 54487), (1403, 47380), (2060, 32269), (2116, 31415), (2369, 28060), (2645, 25132), (2806, 23690), (4738, 14030), (5290, 12566), (5612, 11845), (6283, 10580), (7015, 9476)]