78451440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{326881}}^1$

素因数の和:326897

約数の個数: 40

約数和(自身を含む): 243200208

約数和(自身を除く): 164748768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 326881, 653762, 980643, 1307524, 1634405, 1961286, 2615048, 3268810, 3922572, 4903215, 5230096, 6537620, 7845144, 9806430, 13075240, 15690288, 19612860, 26150480, 39225720, 78451440]

約数ペア:

[(1, 78451440), (2, 39225720), (3, 26150480), (4, 19612860), (5, 15690288), (6, 13075240), (8, 9806430), (10, 7845144), (12, 6537620), (15, 5230096), (16, 4903215), (20, 3922572), (24, 3268810), (30, 2615048), (40, 1961286), (48, 1634405), (60, 1307524), (80, 980643), (120, 653762), (240, 326881)]