31335780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74609}}^1$

素因数の和:74628

約数の個数: 48

約数和(自身を含む): 100275840

約数和(自身を除く): 68940060

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, 74609, 149218, 223827, 298436, 373045, 447654, 522263, 746090, 895308, 1044526, 1119135, 1492180, 1566789, 2089052, 2238270, 2611315, 3133578, 4476540, 5222630, 6267156, 7833945, 10445260, 15667890, 31335780]

約数ペア:

[(1, 31335780), (2, 15667890), (3, 10445260), (4, 7833945), (5, 6267156), (6, 5222630), (7, 4476540), (10, 3133578), (12, 2611315), (14, 2238270), (15, 2089052), (20, 1566789), (21, 1492180), (28, 1119135), (30, 1044526), (35, 895308), (42, 746090), (60, 522263), (70, 447654), (84, 373045), (105, 298436), (140, 223827), (210, 149218), (420, 74609)]