18438960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{76829}}^1$

素因数の和:76845

約数の個数: 40

約数和(自身を含む): 57161520

約数和(自身を除く): 38722560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 76829, 153658, 230487, 307316, 384145, 460974, 614632, 768290, 921948, 1152435, 1229264, 1536580, 1843896, 2304870, 3073160, 3687792, 4609740, 6146320, 9219480, 18438960]

約数ペア:

[(1, 18438960), (2, 9219480), (3, 6146320), (4, 4609740), (5, 3687792), (6, 3073160), (8, 2304870), (10, 1843896), (12, 1536580), (15, 1229264), (16, 1152435), (20, 921948), (24, 768290), (30, 614632), (40, 460974), (48, 384145), (60, 307316), (80, 230487), (120, 153658), (240, 76829)]