289717680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:875

約数の個数: 160

約数和(自身を含む): 1031505408

約数和(自身を除く): 741787728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 331, 336, 420, 521, 560, 662, 840, 993, 1042, 1324, 1563, 1655, 1680, 1986, 2084, 2317, 2605, 2648, 3126, 3310, 3647, 3972, 4168, 4634, 4965, 5210, 5296, 6252, 6620, 6951, 7294, 7815, 7944, 8336, 9268, 9930, 10420, 10941, 11585, 12504, 13240, 13902, 14588, 15630, 15888, 18235, 18536, 19860, 20840, 21882, 23170, 25008, 26480, 27804, 29176, 31260, 34755, 36470, 37072, 39720, 41680, 43764, 46340, 54705, 55608, 58352, 62520, 69510, 72940, 79440, 87528, 92680, 109410, 111216, 125040, 139020, 145880, 172451, 175056, 185360, 218820, 278040, 291760, 344902, 437640, 517353, 556080, 689804, 862255, 875280, 1034706, 1207157, 1379608, 1724510, 2069412, 2414314, 2586765, 2759216, 3449020, 3621471, 4138824, 4828628, 5173530, 6035785, 6898040, 7242942, 8277648, 9657256, 10347060, 12071570, 13796080, 14485884, 18107355, 19314512, 20694120, 24143140, 28971768, 36214710, 41388240, 48286280, 57943536, 72429420, 96572560, 144858840, 289717680]

約数ペア:

[(1, 289717680), (2, 144858840), (3, 96572560), (4, 72429420), (5, 57943536), (6, 48286280), (7, 41388240), (8, 36214710), (10, 28971768), (12, 24143140), (14, 20694120), (15, 19314512), (16, 18107355), (20, 14485884), (21, 13796080), (24, 12071570), (28, 10347060), (30, 9657256), (35, 8277648), (40, 7242942), (42, 6898040), (48, 6035785), (56, 5173530), (60, 4828628), (70, 4138824), (80, 3621471), (84, 3449020), (105, 2759216), (112, 2586765), (120, 2414314), (140, 2069412), (168, 1724510), (210, 1379608), (240, 1207157), (280, 1034706), (331, 875280), (336, 862255), (420, 689804), (521, 556080), (560, 517353), (662, 437640), (840, 344902), (993, 291760), (1042, 278040), (1324, 218820), (1563, 185360), (1655, 175056), (1680, 172451), (1986, 145880), (2084, 139020), (2317, 125040), (2605, 111216), (2648, 109410), (3126, 92680), (3310, 87528), (3647, 79440), (3972, 72940), (4168, 69510), (4634, 62520), (4965, 58352), (5210, 55608), (5296, 54705), (6252, 46340), (6620, 43764), (6951, 41680), (7294, 39720), (7815, 37072), (7944, 36470), (8336, 34755), (9268, 31260), (9930, 29176), (10420, 27804), (10941, 26480), (11585, 25008), (12504, 23170), (13240, 21882), (13902, 20840), (14588, 19860), (15630, 18536), (15888, 18235)]