68520080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:832

約数の個数: 80

約数和(自身を含む): 170673600

約数和(自身を除く): 102153520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 739, 760, 976, 1159, 1220, 1478, 1520, 2318, 2440, 2956, 3695, 4636, 4880, 5795, 5912, 7390, 9272, 11590, 11824, 14041, 14780, 18544, 23180, 28082, 29560, 45079, 46360, 56164, 59120, 70205, 90158, 92720, 112328, 140410, 180316, 224656, 225395, 280820, 360632, 450790, 561640, 721264, 856501, 901580, 1123280, 1713002, 1803160, 3426004, 3606320, 4282505, 6852008, 8565010, 13704016, 17130020, 34260040, 68520080]

約数ペア:

[(1, 68520080), (2, 34260040), (4, 17130020), (5, 13704016), (8, 8565010), (10, 6852008), (16, 4282505), (19, 3606320), (20, 3426004), (38, 1803160), (40, 1713002), (61, 1123280), (76, 901580), (80, 856501), (95, 721264), (122, 561640), (152, 450790), (190, 360632), (244, 280820), (304, 225395), (305, 224656), (380, 180316), (488, 140410), (610, 112328), (739, 92720), (760, 90158), (976, 70205), (1159, 59120), (1220, 56164), (1478, 46360), (1520, 45079), (2318, 29560), (2440, 28082), (2956, 23180), (3695, 18544), (4636, 14780), (4880, 14041), (5795, 11824), (5912, 11590), (7390, 9272)]