18891120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78713}}^1$

素因数の和:78729

約数の個数: 40

約数和(自身を含む): 58563216

約数和(自身を除く): 39672096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78713, 157426, 236139, 314852, 393565, 472278, 629704, 787130, 944556, 1180695, 1259408, 1574260, 1889112, 2361390, 3148520, 3778224, 4722780, 6297040, 9445560, 18891120]

約数ペア:

[(1, 18891120), (2, 9445560), (3, 6297040), (4, 4722780), (5, 3778224), (6, 3148520), (8, 2361390), (10, 1889112), (12, 1574260), (15, 1259408), (16, 1180695), (20, 944556), (24, 787130), (30, 629704), (40, 472278), (48, 393565), (60, 314852), (80, 236139), (120, 157426), (240, 78713)]