38781840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{161591}}^1$

素因数の和:161607

約数の個数: 40

約数和(自身を含む): 120224448

約数和(自身を除く): 81442608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 161591, 323182, 484773, 646364, 807955, 969546, 1292728, 1615910, 1939092, 2423865, 2585456, 3231820, 3878184, 4847730, 6463640, 7756368, 9695460, 12927280, 19390920, 38781840]

約数ペア:

[(1, 38781840), (2, 19390920), (3, 12927280), (4, 9695460), (5, 7756368), (6, 6463640), (8, 4847730), (10, 3878184), (12, 3231820), (15, 2585456), (16, 2423865), (20, 1939092), (24, 1615910), (30, 1292728), (40, 969546), (48, 807955), (60, 646364), (80, 484773), (120, 323182), (240, 161591)]