38721840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{161341}}^1$

素因数の和:161357

約数の個数: 40

約数和(自身を含む): 120038448

約数和(自身を除く): 81316608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 161341, 322682, 484023, 645364, 806705, 968046, 1290728, 1613410, 1936092, 2420115, 2581456, 3226820, 3872184, 4840230, 6453640, 7744368, 9680460, 12907280, 19360920, 38721840]

約数ペア:

[(1, 38721840), (2, 19360920), (3, 12907280), (4, 9680460), (5, 7744368), (6, 6453640), (8, 4840230), (10, 3872184), (12, 3226820), (15, 2581456), (16, 2420115), (20, 1936092), (24, 1613410), (30, 1290728), (40, 968046), (48, 806705), (60, 645364), (80, 484023), (120, 322682), (240, 161341)]