40478520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4751}}^1$

素因数の和:4836

約数の個数: 64

約数和(自身を含む): 123171840

約数和(自身を除く): 82693320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 4751, 8520, 9502, 14253, 19004, 23755, 28506, 38008, 47510, 57012, 71265, 95020, 114024, 142530, 190040, 285060, 337321, 570120, 674642, 1011963, 1349284, 1686605, 2023926, 2698568, 3373210, 4047852, 5059815, 6746420, 8095704, 10119630, 13492840, 20239260, 40478520]

約数ペア:

[(1, 40478520), (2, 20239260), (3, 13492840), (4, 10119630), (5, 8095704), (6, 6746420), (8, 5059815), (10, 4047852), (12, 3373210), (15, 2698568), (20, 2023926), (24, 1686605), (30, 1349284), (40, 1011963), (60, 674642), (71, 570120), (120, 337321), (142, 285060), (213, 190040), (284, 142530), (355, 114024), (426, 95020), (568, 71265), (710, 57012), (852, 47510), (1065, 38008), (1420, 28506), (1704, 23755), (2130, 19004), (2840, 14253), (4260, 9502), (4751, 8520)]