78405780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68777}}^1$

素因数の和:68808

約数の個数: 48

約数和(自身を含む): 231094080

約数和(自身を除く): 152688300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 68777, 137554, 206331, 275108, 343885, 412662, 687770, 825324, 1031655, 1306763, 1375540, 2063310, 2613526, 3920289, 4126620, 5227052, 6533815, 7840578, 13067630, 15681156, 19601445, 26135260, 39202890, 78405780]

約数ペア:

[(1, 78405780), (2, 39202890), (3, 26135260), (4, 19601445), (5, 15681156), (6, 13067630), (10, 7840578), (12, 6533815), (15, 5227052), (19, 4126620), (20, 3920289), (30, 2613526), (38, 2063310), (57, 1375540), (60, 1306763), (76, 1031655), (95, 825324), (114, 687770), (190, 412662), (228, 343885), (285, 275108), (380, 206331), (570, 137554), (1140, 68777)]