7920180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{4889}}^1$

素因数の和:4910

約数の個数: 60

約数和(自身を含む): 24850980

約数和(自身を除く): 16930800

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 4889, 9778, 14667, 19556, 24445, 29334, 44001, 48890, 58668, 73335, 88002, 97780, 132003, 146670, 176004, 220005, 264006, 293340, 396009, 440010, 528012, 660015, 792018, 880020, 1320030, 1584036, 1980045, 2640060, 3960090, 7920180]

約数ペア:

[(1, 7920180), (2, 3960090), (3, 2640060), (4, 1980045), (5, 1584036), (6, 1320030), (9, 880020), (10, 792018), (12, 660015), (15, 528012), (18, 440010), (20, 396009), (27, 293340), (30, 264006), (36, 220005), (45, 176004), (54, 146670), (60, 132003), (81, 97780), (90, 88002), (108, 73335), (135, 58668), (162, 48890), (180, 44001), (270, 29334), (324, 24445), (405, 19556), (540, 14667), (810, 9778), (1620, 4889)]