31290120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3779}}^1$

素因数の和:3819

約数の個数: 96

約数和(自身を含む): 106142400

約数和(自身を除く): 74852280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 3779, 4140, 7558, 8280, 11337, 15116, 18895, 22674, 30232, 34011, 37790, 45348, 56685, 68022, 75580, 86917, 90696, 113370, 136044, 151160, 170055, 173834, 226740, 260751, 272088, 340110, 347668, 434585, 453480, 521502, 680220, 695336, 782253, 869170, 1043004, 1303755, 1360440, 1564506, 1738340, 2086008, 2607510, 3129012, 3476680, 3911265, 5215020, 6258024, 7822530, 10430040, 15645060, 31290120]

約数ペア:

[(1, 31290120), (2, 15645060), (3, 10430040), (4, 7822530), (5, 6258024), (6, 5215020), (8, 3911265), (9, 3476680), (10, 3129012), (12, 2607510), (15, 2086008), (18, 1738340), (20, 1564506), (23, 1360440), (24, 1303755), (30, 1043004), (36, 869170), (40, 782253), (45, 695336), (46, 680220), (60, 521502), (69, 453480), (72, 434585), (90, 347668), (92, 340110), (115, 272088), (120, 260751), (138, 226740), (180, 173834), (184, 170055), (207, 151160), (230, 136044), (276, 113370), (345, 90696), (360, 86917), (414, 75580), (460, 68022), (552, 56685), (690, 45348), (828, 37790), (920, 34011), (1035, 30232), (1380, 22674), (1656, 18895), (2070, 15116), (2760, 11337), (3779, 8280), (4140, 7558)]