278232120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{772867}}^1$

素因数の和:772884

約数の個数: 48

約数和(自身を含む): 904255560

約数和(自身を除く): 626023440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 772867, 1545734, 2318601, 3091468, 3864335, 4637202, 6182936, 6955803, 7728670, 9274404, 11593005, 13911606, 15457340, 18548808, 23186010, 27823212, 30914680, 34779015, 46372020, 55646424, 69558030, 92744040, 139116060, 278232120]

約数ペア:

[(1, 278232120), (2, 139116060), (3, 92744040), (4, 69558030), (5, 55646424), (6, 46372020), (8, 34779015), (9, 30914680), (10, 27823212), (12, 23186010), (15, 18548808), (18, 15457340), (20, 13911606), (24, 11593005), (30, 9274404), (36, 7728670), (40, 6955803), (45, 6182936), (60, 4637202), (72, 3864335), (90, 3091468), (120, 2318601), (180, 1545734), (360, 772867)]