780120

素因数分解:

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

素因数の和:225

約数の個数: 96

約数和(自身を含む): 2779920

約数和(自身を除く): 1999800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 197, 198, 220, 264, 330, 360, 394, 396, 440, 495, 591, 660, 788, 792, 985, 990, 1182, 1320, 1576, 1773, 1970, 1980, 2167, 2364, 2955, 3546, 3940, 3960, 4334, 4728, 5910, 6501, 7092, 7880, 8668, 8865, 10835, 11820, 13002, 14184, 17336, 17730, 19503, 21670, 23640, 26004, 32505, 35460, 39006, 43340, 52008, 65010, 70920, 78012, 86680, 97515, 130020, 156024, 195030, 260040, 390060, 780120]

約数ペア:

[(1, 780120), (2, 390060), (3, 260040), (4, 195030), (5, 156024), (6, 130020), (8, 97515), (9, 86680), (10, 78012), (11, 70920), (12, 65010), (15, 52008), (18, 43340), (20, 39006), (22, 35460), (24, 32505), (30, 26004), (33, 23640), (36, 21670), (40, 19503), (44, 17730), (45, 17336), (55, 14184), (60, 13002), (66, 11820), (72, 10835), (88, 8865), (90, 8668), (99, 7880), (110, 7092), (120, 6501), (132, 5910), (165, 4728), (180, 4334), (197, 3960), (198, 3940), (220, 3546), (264, 2955), (330, 2364), (360, 2167), (394, 1980), (396, 1970), (440, 1773), (495, 1576), (591, 1320), (660, 1182), (788, 990), (792, 985)]