55154820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131321}}^1$

素因数の和:131340

約数の個数: 48

約数和(自身を含む): 176496768

約数和(自身を除く): 121341948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 131321, 262642, 393963, 525284, 656605, 787926, 919247, 1313210, 1575852, 1838494, 1969815, 2626420, 2757741, 3676988, 3939630, 4596235, 5515482, 7879260, 9192470, 11030964, 13788705, 18384940, 27577410, 55154820]

約数ペア:

[(1, 55154820), (2, 27577410), (3, 18384940), (4, 13788705), (5, 11030964), (6, 9192470), (7, 7879260), (10, 5515482), (12, 4596235), (14, 3939630), (15, 3676988), (20, 2757741), (21, 2626420), (28, 1969815), (30, 1838494), (35, 1575852), (42, 1313210), (60, 919247), (70, 787926), (84, 656605), (105, 525284), (140, 393963), (210, 262642), (420, 131321)]