389557680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1623157}}^1$

素因数の和:1623173

約数の個数: 40

約数和(自身を含む): 1207629552

約数和(自身を除く): 818071872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1623157, 3246314, 4869471, 6492628, 8115785, 9738942, 12985256, 16231570, 19477884, 24347355, 25970512, 32463140, 38955768, 48694710, 64926280, 77911536, 97389420, 129852560, 194778840, 389557680]

約数ペア:

[(1, 389557680), (2, 194778840), (3, 129852560), (4, 97389420), (5, 77911536), (6, 64926280), (8, 48694710), (10, 38955768), (12, 32463140), (15, 25970512), (16, 24347355), (20, 19477884), (24, 16231570), (30, 12985256), (40, 9738942), (48, 8115785), (60, 6492628), (80, 4869471), (120, 3246314), (240, 1623157)]