280109520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{389041}}^1$

素因数の和:389060

約数の個数: 60

約数和(自身を含む): 940703556

約数和(自身を除く): 660594036

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, 389041, 778082, 1167123, 1556164, 1945205, 2334246, 3112328, 3501369, 3890410, 4668492, 5835615, 6224656, 7002738, 7780820, 9336984, 11671230, 14005476, 15561640, 17506845, 18673968, 23342460, 28010952, 31123280, 35013690, 46684920, 56021904, 70027380, 93369840, 140054760, 280109520]

約数ペア:

[(1, 280109520), (2, 140054760), (3, 93369840), (4, 70027380), (5, 56021904), (6, 46684920), (8, 35013690), (9, 31123280), (10, 28010952), (12, 23342460), (15, 18673968), (16, 17506845), (18, 15561640), (20, 14005476), (24, 11671230), (30, 9336984), (36, 7780820), (40, 7002738), (45, 6224656), (48, 5835615), (60, 4668492), (72, 3890410), (80, 3501369), (90, 3112328), (120, 2334246), (144, 1945205), (180, 1556164), (240, 1167123), (360, 778082), (720, 389041)]