260040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 855360

約数和(自身を除く): 595320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 197, 220, 264, 330, 394, 440, 591, 660, 788, 985, 1182, 1320, 1576, 1970, 2167, 2364, 2955, 3940, 4334, 4728, 5910, 6501, 7880, 8668, 10835, 11820, 13002, 17336, 21670, 23640, 26004, 32505, 43340, 52008, 65010, 86680, 130020, 260040]

約数ペア:

[(1, 260040), (2, 130020), (3, 86680), (4, 65010), (5, 52008), (6, 43340), (8, 32505), (10, 26004), (11, 23640), (12, 21670), (15, 17336), (20, 13002), (22, 11820), (24, 10835), (30, 8668), (33, 7880), (40, 6501), (44, 5910), (55, 4728), (60, 4334), (66, 3940), (88, 2955), (110, 2364), (120, 2167), (132, 1970), (165, 1576), (197, 1320), (220, 1182), (264, 985), (330, 788), (394, 660), (440, 591)]