31213920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{65029}}^1$

素因数の和:65047

約数の個数: 48

約数和(自身を含む): 98325360

約数和(自身を除く): 67111440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 65029, 130058, 195087, 260116, 325145, 390174, 520232, 650290, 780348, 975435, 1040464, 1300580, 1560696, 1950870, 2080928, 2601160, 3121392, 3901740, 5202320, 6242784, 7803480, 10404640, 15606960, 31213920]

約数ペア:

[(1, 31213920), (2, 15606960), (3, 10404640), (4, 7803480), (5, 6242784), (6, 5202320), (8, 3901740), (10, 3121392), (12, 2601160), (15, 2080928), (16, 1950870), (20, 1560696), (24, 1300580), (30, 1040464), (32, 975435), (40, 780348), (48, 650290), (60, 520232), (80, 390174), (96, 325145), (120, 260116), (160, 195087), (240, 130058), (480, 65029)]