1221254520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{98807}}^1$

素因数の和:98924

約数の個数: 64

約数和(自身を含む): 3699371520

約数和(自身を除く): 2478117000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 12360, 98807, 197614, 296421, 395228, 494035, 592842, 790456, 988070, 1185684, 1482105, 1976140, 2371368, 2964210, 3952280, 5928420, 10177121, 11856840, 20354242, 30531363, 40708484, 50885605, 61062726, 81416968, 101771210, 122125452, 152656815, 203542420, 244250904, 305313630, 407084840, 610627260, 1221254520]

約数ペア:

[(1, 1221254520), (2, 610627260), (3, 407084840), (4, 305313630), (5, 244250904), (6, 203542420), (8, 152656815), (10, 122125452), (12, 101771210), (15, 81416968), (20, 61062726), (24, 50885605), (30, 40708484), (40, 30531363), (60, 20354242), (103, 11856840), (120, 10177121), (206, 5928420), (309, 3952280), (412, 2964210), (515, 2371368), (618, 1976140), (824, 1482105), (1030, 1185684), (1236, 988070), (1545, 790456), (2060, 592842), (2472, 494035), (3090, 395228), (4120, 296421), (6180, 197614), (12360, 98807)]