20450160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28403}}^1$

素因数の和:28422

約数の個数: 60

約数和(自身を含む): 68680872

約数和(自身を除く): 48230712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28403, 56806, 85209, 113612, 142015, 170418, 227224, 255627, 284030, 340836, 426045, 454448, 511254, 568060, 681672, 852090, 1022508, 1136120, 1278135, 1363344, 1704180, 2045016, 2272240, 2556270, 3408360, 4090032, 5112540, 6816720, 10225080, 20450160]

約数ペア:

[(1, 20450160), (2, 10225080), (3, 6816720), (4, 5112540), (5, 4090032), (6, 3408360), (8, 2556270), (9, 2272240), (10, 2045016), (12, 1704180), (15, 1363344), (16, 1278135), (18, 1136120), (20, 1022508), (24, 852090), (30, 681672), (36, 568060), (40, 511254), (45, 454448), (48, 426045), (60, 340836), (72, 284030), (80, 255627), (90, 227224), (120, 170418), (144, 142015), (180, 113612), (240, 85209), (360, 56806), (720, 28403)]