128858160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{536909}}^1$

素因数の和:536925

約数の個数: 40

約数和(自身を含む): 399461040

約数和(自身を除く): 270602880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 536909, 1073818, 1610727, 2147636, 2684545, 3221454, 4295272, 5369090, 6442908, 8053635, 8590544, 10738180, 12885816, 16107270, 21476360, 25771632, 32214540, 42952720, 64429080, 128858160]

約数ペア:

[(1, 128858160), (2, 64429080), (3, 42952720), (4, 32214540), (5, 25771632), (6, 21476360), (8, 16107270), (10, 12885816), (12, 10738180), (15, 8590544), (16, 8053635), (20, 6442908), (24, 5369090), (30, 4295272), (40, 3221454), (48, 2684545), (60, 2147636), (80, 1610727), (120, 1073818), (240, 536909)]