68215860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{378977}}^1$

素因数の和:378992

約数の個数: 36

約数和(自身を含む): 206921988

約数和(自身を除く): 138706128

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 378977, 757954, 1136931, 1515908, 1894885, 2273862, 3410793, 3789770, 4547724, 5684655, 6821586, 7579540, 11369310, 13643172, 17053965, 22738620, 34107930, 68215860]

約数ペア:

[(1, 68215860), (2, 34107930), (3, 22738620), (4, 17053965), (5, 13643172), (6, 11369310), (9, 7579540), (10, 6821586), (12, 5684655), (15, 4547724), (18, 3789770), (20, 3410793), (30, 2273862), (36, 1894885), (45, 1515908), (60, 1136931), (90, 757954), (180, 378977)]