12981840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{54091}}^1$

素因数の和:54107

約数の個数: 40

約数和(自身を含む): 40244448

約数和(自身を除く): 27262608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 54091, 108182, 162273, 216364, 270455, 324546, 432728, 540910, 649092, 811365, 865456, 1081820, 1298184, 1622730, 2163640, 2596368, 3245460, 4327280, 6490920, 12981840]

約数ペア:

[(1, 12981840), (2, 6490920), (3, 4327280), (4, 3245460), (5, 2596368), (6, 2163640), (8, 1622730), (10, 1298184), (12, 1081820), (15, 865456), (16, 811365), (20, 649092), (24, 540910), (30, 432728), (40, 324546), (48, 270455), (60, 216364), (80, 162273), (120, 108182), (240, 54091)]