31200540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74287}}^1$

素因数の和:74306

約数の個数: 48

約数和(自身を含む): 99843072

約数和(自身を除く): 68642532

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, 74287, 148574, 222861, 297148, 371435, 445722, 520009, 742870, 891444, 1040018, 1114305, 1485740, 1560027, 2080036, 2228610, 2600045, 3120054, 4457220, 5200090, 6240108, 7800135, 10400180, 15600270, 31200540]

約数ペア:

[(1, 31200540), (2, 15600270), (3, 10400180), (4, 7800135), (5, 6240108), (6, 5200090), (7, 4457220), (10, 3120054), (12, 2600045), (14, 2228610), (15, 2080036), (20, 1560027), (21, 1485740), (28, 1114305), (30, 1040018), (35, 891444), (42, 742870), (60, 520009), (70, 445722), (84, 371435), (105, 297148), (140, 222861), (210, 148574), (420, 74287)]