40720920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{339341}}^1$

素因数の和:339355

約数の個数: 32

約数和(自身を含む): 122163120

約数和(自身を除く): 81442200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 339341, 678682, 1018023, 1357364, 1696705, 2036046, 2714728, 3393410, 4072092, 5090115, 6786820, 8144184, 10180230, 13573640, 20360460, 40720920]

約数ペア:

[(1, 40720920), (2, 20360460), (3, 13573640), (4, 10180230), (5, 8144184), (6, 6786820), (8, 5090115), (10, 4072092), (12, 3393410), (15, 2714728), (20, 2036046), (24, 1696705), (30, 1357364), (40, 1018023), (60, 678682), (120, 339341)]