2164740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 6135360

約数和(自身を除く): 3970620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 331, 436, 545, 654, 662, 993, 1090, 1308, 1324, 1635, 1655, 1986, 2180, 3270, 3310, 3972, 4965, 6540, 6620, 9930, 19860, 36079, 72158, 108237, 144316, 180395, 216474, 360790, 432948, 541185, 721580, 1082370, 2164740]

約数ペア:

[(1, 2164740), (2, 1082370), (3, 721580), (4, 541185), (5, 432948), (6, 360790), (10, 216474), (12, 180395), (15, 144316), (20, 108237), (30, 72158), (60, 36079), (109, 19860), (218, 9930), (327, 6620), (331, 6540), (436, 4965), (545, 3972), (654, 3310), (662, 3270), (993, 2180), (1090, 1986), (1308, 1655), (1324, 1635)]