258240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{269}}^1$

素因数の和:289

約数の個数: 56

約数和(自身を含む): 822960

約数和(自身を除く): 564720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 269, 320, 480, 538, 807, 960, 1076, 1345, 1614, 2152, 2690, 3228, 4035, 4304, 5380, 6456, 8070, 8608, 10760, 12912, 16140, 17216, 21520, 25824, 32280, 43040, 51648, 64560, 86080, 129120, 258240]

約数ペア:

[(1, 258240), (2, 129120), (3, 86080), (4, 64560), (5, 51648), (6, 43040), (8, 32280), (10, 25824), (12, 21520), (15, 17216), (16, 16140), (20, 12912), (24, 10760), (30, 8608), (32, 8070), (40, 6456), (48, 5380), (60, 4304), (64, 4035), (80, 3228), (96, 2690), (120, 2152), (160, 1614), (192, 1345), (240, 1076), (269, 960), (320, 807), (480, 538)]