78002520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1621}}^1$

素因数の和:2036

約数の個数: 64

約数和(自身を含む): 234735840

約数和(自身を除く): 156733320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 802, 1203, 1604, 1621, 2005, 2406, 3208, 3242, 4010, 4812, 4863, 6015, 6484, 8020, 8105, 9624, 9726, 12030, 12968, 16040, 16210, 19452, 24060, 24315, 32420, 38904, 48120, 48630, 64840, 97260, 194520, 650021, 1300042, 1950063, 2600084, 3250105, 3900126, 5200168, 6500210, 7800252, 9750315, 13000420, 15600504, 19500630, 26000840, 39001260, 78002520]

約数ペア:

[(1, 78002520), (2, 39001260), (3, 26000840), (4, 19500630), (5, 15600504), (6, 13000420), (8, 9750315), (10, 7800252), (12, 6500210), (15, 5200168), (20, 3900126), (24, 3250105), (30, 2600084), (40, 1950063), (60, 1300042), (120, 650021), (401, 194520), (802, 97260), (1203, 64840), (1604, 48630), (1621, 48120), (2005, 38904), (2406, 32420), (3208, 24315), (3242, 24060), (4010, 19452), (4812, 16210), (4863, 16040), (6015, 12968), (6484, 12030), (8020, 9726), (8105, 9624)]