68188720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 168783840

約数和(自身を除く): 100595120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 113, 152, 190, 226, 304, 380, 397, 452, 565, 760, 794, 904, 1130, 1520, 1588, 1808, 1985, 2147, 2260, 3176, 3970, 4294, 4520, 6352, 7543, 7940, 8588, 9040, 10735, 15086, 15880, 17176, 21470, 30172, 31760, 34352, 37715, 42940, 44861, 60344, 75430, 85880, 89722, 120688, 150860, 171760, 179444, 224305, 301720, 358888, 448610, 603440, 717776, 852359, 897220, 1704718, 1794440, 3409436, 3588880, 4261795, 6818872, 8523590, 13637744, 17047180, 34094360, 68188720]

約数ペア:

[(1, 68188720), (2, 34094360), (4, 17047180), (5, 13637744), (8, 8523590), (10, 6818872), (16, 4261795), (19, 3588880), (20, 3409436), (38, 1794440), (40, 1704718), (76, 897220), (80, 852359), (95, 717776), (113, 603440), (152, 448610), (190, 358888), (226, 301720), (304, 224305), (380, 179444), (397, 171760), (452, 150860), (565, 120688), (760, 89722), (794, 85880), (904, 75430), (1130, 60344), (1520, 44861), (1588, 42940), (1808, 37715), (1985, 34352), (2147, 31760), (2260, 30172), (3176, 21470), (3970, 17176), (4294, 15880), (4520, 15086), (6352, 10735), (7543, 9040), (7940, 8588)]