27943980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10831}}^1$

素因数の和:10886

約数の個数: 48

約数和(自身を含む): 80070144

約数和(自身を除く): 52126164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 10831, 21662, 32493, 43324, 54155, 64986, 108310, 129972, 162465, 216620, 324930, 465733, 649860, 931466, 1397199, 1862932, 2328665, 2794398, 4657330, 5588796, 6985995, 9314660, 13971990, 27943980]

約数ペア:

[(1, 27943980), (2, 13971990), (3, 9314660), (4, 6985995), (5, 5588796), (6, 4657330), (10, 2794398), (12, 2328665), (15, 1862932), (20, 1397199), (30, 931466), (43, 649860), (60, 465733), (86, 324930), (129, 216620), (172, 162465), (215, 129972), (258, 108310), (430, 64986), (516, 54155), (645, 43324), (860, 32493), (1290, 21662), (2580, 10831)]