90804720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{378353}}^1$

素因数の和:378369

約数の個数: 40

約数和(自身を含む): 281495376

約数和(自身を除く): 190690656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 378353, 756706, 1135059, 1513412, 1891765, 2270118, 3026824, 3783530, 4540236, 5675295, 6053648, 7567060, 9080472, 11350590, 15134120, 18160944, 22701180, 30268240, 45402360, 90804720]

約数ペア:

[(1, 90804720), (2, 45402360), (3, 30268240), (4, 22701180), (5, 18160944), (6, 15134120), (8, 11350590), (10, 9080472), (12, 7567060), (15, 6053648), (16, 5675295), (20, 4540236), (24, 3783530), (30, 3026824), (40, 2270118), (48, 1891765), (60, 1513412), (80, 1135059), (120, 756706), (240, 378353)]