102720080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67579}}^1$

素因数の和:67611

約数の個数: 40

約数和(自身を含む): 251397600

約数和(自身を除く): 148677520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 67579, 135158, 270316, 337895, 540632, 675790, 1081264, 1284001, 1351580, 2568002, 2703160, 5136004, 5406320, 6420005, 10272008, 12840010, 20544016, 25680020, 51360040, 102720080]

約数ペア:

[(1, 102720080), (2, 51360040), (4, 25680020), (5, 20544016), (8, 12840010), (10, 10272008), (16, 6420005), (19, 5406320), (20, 5136004), (38, 2703160), (40, 2568002), (76, 1351580), (80, 1284001), (95, 1081264), (152, 675790), (190, 540632), (304, 337895), (380, 270316), (760, 135158), (1520, 67579)]