1721240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 3980880

約数和(自身を除く): 2259640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1163, 1480, 2326, 4652, 5815, 9304, 11630, 23260, 43031, 46520, 86062, 172124, 215155, 344248, 430310, 860620, 1721240]

約数ペア:

[(1, 1721240), (2, 860620), (4, 430310), (5, 344248), (8, 215155), (10, 172124), (20, 86062), (37, 46520), (40, 43031), (74, 23260), (148, 11630), (185, 9304), (296, 5815), (370, 4652), (740, 2326), (1163, 1480)]