128700720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4157}}^1$

素因数の和:4219

約数の個数: 120

約数和(自身を含む): 442377936

約数和(自身を除く): 313677216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 4157, 5160, 6192, 7740, 8314, 10320, 12471, 15480, 16628, 20785, 24942, 30960, 33256, 37413, 41570, 49884, 62355, 66512, 74826, 83140, 99768, 124710, 149652, 166280, 178751, 187065, 199536, 249420, 299304, 332560, 357502, 374130, 498840, 536253, 598608, 715004, 748260, 893755, 997680, 1072506, 1430008, 1496520, 1608759, 1787510, 2145012, 2681265, 2860016, 2993040, 3217518, 3575020, 4290024, 5362530, 6435036, 7150040, 8043795, 8580048, 10725060, 12870072, 14300080, 16087590, 21450120, 25740144, 32175180, 42900240, 64350360, 128700720]

約数ペア:

[(1, 128700720), (2, 64350360), (3, 42900240), (4, 32175180), (5, 25740144), (6, 21450120), (8, 16087590), (9, 14300080), (10, 12870072), (12, 10725060), (15, 8580048), (16, 8043795), (18, 7150040), (20, 6435036), (24, 5362530), (30, 4290024), (36, 3575020), (40, 3217518), (43, 2993040), (45, 2860016), (48, 2681265), (60, 2145012), (72, 1787510), (80, 1608759), (86, 1496520), (90, 1430008), (120, 1072506), (129, 997680), (144, 893755), (172, 748260), (180, 715004), (215, 598608), (240, 536253), (258, 498840), (344, 374130), (360, 357502), (387, 332560), (430, 299304), (516, 249420), (645, 199536), (688, 187065), (720, 178751), (774, 166280), (860, 149652), (1032, 124710), (1290, 99768), (1548, 83140), (1720, 74826), (1935, 66512), (2064, 62355), (2580, 49884), (3096, 41570), (3440, 37413), (3870, 33256), (4157, 30960), (5160, 24942), (6192, 20785), (7740, 16628), (8314, 15480), (10320, 12471)]