12878040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{15331}}^1$

素因数の和:15352

約数の個数: 64

約数和(自身を含む): 44156160

約数和(自身を除く): 31278120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 15331, 30662, 45993, 61324, 76655, 91986, 107317, 122648, 153310, 183972, 214634, 229965, 306620, 321951, 367944, 429268, 459930, 536585, 613240, 643902, 858536, 919860, 1073170, 1287804, 1609755, 1839720, 2146340, 2575608, 3219510, 4292680, 6439020, 12878040]

約数ペア:

[(1, 12878040), (2, 6439020), (3, 4292680), (4, 3219510), (5, 2575608), (6, 2146340), (7, 1839720), (8, 1609755), (10, 1287804), (12, 1073170), (14, 919860), (15, 858536), (20, 643902), (21, 613240), (24, 536585), (28, 459930), (30, 429268), (35, 367944), (40, 321951), (42, 306620), (56, 229965), (60, 214634), (70, 183972), (84, 153310), (105, 122648), (120, 107317), (140, 91986), (168, 76655), (210, 61324), (280, 45993), (420, 30662), (840, 15331)]