66955840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 112

約数和(自身を含む): 185220864

約数和(自身を除く): 118265024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 421, 448, 497, 560, 568, 710, 842, 994, 1120, 1136, 1420, 1684, 1988, 2105, 2240, 2272, 2485, 2840, 2947, 3368, 3976, 4210, 4544, 4970, 5680, 5894, 6736, 7952, 8420, 9940, 11360, 11788, 13472, 14735, 15904, 16840, 19880, 22720, 23576, 26944, 29470, 29891, 31808, 33680, 39760, 47152, 58940, 59782, 67360, 79520, 94304, 117880, 119564, 134720, 149455, 159040, 188608, 209237, 235760, 239128, 298910, 418474, 471520, 478256, 597820, 836948, 943040, 956512, 1046185, 1195640, 1673896, 1913024, 2092370, 2391280, 3347792, 4184740, 4782560, 6695584, 8369480, 9565120, 13391168, 16738960, 33477920, 66955840]

約数ペア:

[(1, 66955840), (2, 33477920), (4, 16738960), (5, 13391168), (7, 9565120), (8, 8369480), (10, 6695584), (14, 4782560), (16, 4184740), (20, 3347792), (28, 2391280), (32, 2092370), (35, 1913024), (40, 1673896), (56, 1195640), (64, 1046185), (70, 956512), (71, 943040), (80, 836948), (112, 597820), (140, 478256), (142, 471520), (160, 418474), (224, 298910), (280, 239128), (284, 235760), (320, 209237), (355, 188608), (421, 159040), (448, 149455), (497, 134720), (560, 119564), (568, 117880), (710, 94304), (842, 79520), (994, 67360), (1120, 59782), (1136, 58940), (1420, 47152), (1684, 39760), (1988, 33680), (2105, 31808), (2240, 29891), (2272, 29470), (2485, 26944), (2840, 23576), (2947, 22720), (3368, 19880), (3976, 16840), (4210, 15904), (4544, 14735), (4970, 13472), (5680, 11788), (5894, 11360), (6736, 9940), (7952, 8420)]