68987760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{287449}}^1$

素因数の和:287465

約数の個数: 40

約数和(自身を含む): 213862800

約数和(自身を除く): 144875040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 287449, 574898, 862347, 1149796, 1437245, 1724694, 2299592, 2874490, 3449388, 4311735, 4599184, 5748980, 6898776, 8623470, 11497960, 13797552, 17246940, 22995920, 34493880, 68987760]

約数ペア:

[(1, 68987760), (2, 34493880), (3, 22995920), (4, 17246940), (5, 13797552), (6, 11497960), (8, 8623470), (10, 6898776), (12, 5748980), (15, 4599184), (16, 4311735), (20, 3449388), (24, 2874490), (30, 2299592), (40, 1724694), (48, 1437245), (60, 1149796), (80, 862347), (120, 574898), (240, 287449)]