8621820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2521}}^1$

素因数の和:2555

約数の個数: 72

約数和(自身を含む): 27540240

約数和(自身を除く): 18918420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 2521, 3420, 5042, 7563, 10084, 12605, 15126, 22689, 25210, 30252, 37815, 45378, 47899, 50420, 75630, 90756, 95798, 113445, 143697, 151260, 191596, 226890, 239495, 287394, 431091, 453780, 478990, 574788, 718485, 862182, 957980, 1436970, 1724364, 2155455, 2873940, 4310910, 8621820]

約数ペア:

[(1, 8621820), (2, 4310910), (3, 2873940), (4, 2155455), (5, 1724364), (6, 1436970), (9, 957980), (10, 862182), (12, 718485), (15, 574788), (18, 478990), (19, 453780), (20, 431091), (30, 287394), (36, 239495), (38, 226890), (45, 191596), (57, 151260), (60, 143697), (76, 113445), (90, 95798), (95, 90756), (114, 75630), (171, 50420), (180, 47899), (190, 45378), (228, 37815), (285, 30252), (342, 25210), (380, 22689), (570, 15126), (684, 12605), (855, 10084), (1140, 7563), (1710, 5042), (2521, 3420)]