90427020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21227}}^1$

素因数の和:21310

約数の個数: 48

約数和(自身を含む): 256773888

約数和(自身を除く): 166346868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 21227, 42454, 63681, 84908, 106135, 127362, 212270, 254724, 318405, 424540, 636810, 1273620, 1507117, 3014234, 4521351, 6028468, 7535585, 9042702, 15071170, 18085404, 22606755, 30142340, 45213510, 90427020]

約数ペア:

[(1, 90427020), (2, 45213510), (3, 30142340), (4, 22606755), (5, 18085404), (6, 15071170), (10, 9042702), (12, 7535585), (15, 6028468), (20, 4521351), (30, 3014234), (60, 1507117), (71, 1273620), (142, 636810), (213, 424540), (284, 318405), (355, 254724), (426, 212270), (710, 127362), (852, 106135), (1065, 84908), (1420, 63681), (2130, 42454), (4260, 21227)]