78515940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1308599}}^1$

素因数の和:1308611

約数の個数: 24

約数和(自身を含む): 219844800

約数和(自身を除く): 141328860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1308599, 2617198, 3925797, 5234396, 6542995, 7851594, 13085990, 15703188, 19628985, 26171980, 39257970, 78515940]

約数ペア:

[(1, 78515940), (2, 39257970), (3, 26171980), (4, 19628985), (5, 15703188), (6, 13085990), (10, 7851594), (12, 6542995), (15, 5234396), (20, 3925797), (30, 2617198), (60, 1308599)]