66154960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 164453760

約数和(自身を除く): 98298800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 613, 710, 760, 1136, 1226, 1349, 1420, 1520, 2452, 2698, 2840, 3065, 4904, 5396, 5680, 6130, 6745, 9808, 10792, 11647, 12260, 13490, 21584, 23294, 24520, 26980, 43523, 46588, 49040, 53960, 58235, 87046, 93176, 107920, 116470, 174092, 186352, 217615, 232940, 348184, 435230, 465880, 696368, 826937, 870460, 931760, 1653874, 1740920, 3307748, 3481840, 4134685, 6615496, 8269370, 13230992, 16538740, 33077480, 66154960]

約数ペア:

[(1, 66154960), (2, 33077480), (4, 16538740), (5, 13230992), (8, 8269370), (10, 6615496), (16, 4134685), (19, 3481840), (20, 3307748), (38, 1740920), (40, 1653874), (71, 931760), (76, 870460), (80, 826937), (95, 696368), (142, 465880), (152, 435230), (190, 348184), (284, 232940), (304, 217615), (355, 186352), (380, 174092), (568, 116470), (613, 107920), (710, 93176), (760, 87046), (1136, 58235), (1226, 53960), (1349, 49040), (1420, 46588), (1520, 43523), (2452, 26980), (2698, 24520), (2840, 23294), (3065, 21584), (4904, 13490), (5396, 12260), (5680, 11647), (6130, 10792), (6745, 9808)]