221251680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 288

約数和(自身を含む): 832156416

約数和(自身を除く): 610904736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 53, 60, 65, 72, 78, 80, 90, 96, 104, 106, 117, 120, 130, 144, 156, 159, 160, 180, 195, 208, 212, 223, 234, 240, 260, 265, 288, 312, 318, 360, 390, 416, 424, 446, 468, 477, 480, 520, 530, 585, 624, 636, 669, 689, 720, 780, 795, 848, 892, 936, 954, 1040, 1060, 1115, 1170, 1248, 1272, 1338, 1378, 1440, 1560, 1590, 1696, 1784, 1872, 1908, 2007, 2067, 2080, 2120, 2230, 2340, 2385, 2544, 2676, 2756, 2899, 3120, 3180, 3345, 3445, 3568, 3744, 3816, 4014, 4134, 4240, 4460, 4680, 4770, 5088, 5352, 5512, 5798, 6201, 6240, 6360, 6690, 6890, 7136, 7632, 8028, 8268, 8480, 8697, 8920, 9360, 9540, 10035, 10335, 10704, 11024, 11596, 11819, 12402, 12720, 13380, 13780, 14495, 15264, 16056, 16536, 17394, 17840, 18720, 19080, 20070, 20670, 21408, 22048, 23192, 23638, 24804, 25440, 26091, 26760, 27560, 28990, 31005, 32112, 33072, 34788, 35457, 35680, 38160, 40140, 41340, 43485, 46384, 47276, 49608, 52182, 53520, 55120, 57980, 59095, 62010, 64224, 66144, 69576, 70914, 76320, 80280, 82680, 86970, 92768, 94552, 99216, 104364, 106371, 107040, 110240, 115960, 118190, 124020, 130455, 139152, 141828, 153647, 160560, 165360, 173940, 177285, 189104, 198432, 208728, 212742, 231920, 236380, 248040, 260910, 278304, 283656, 307294, 321120, 330720, 347880, 354570, 378208, 417456, 425484, 460941, 463840, 472760, 496080, 521820, 531855, 567312, 614588, 695760, 709140, 768235, 834912, 850968, 921882, 945520, 992160, 1043640, 1063710, 1134624, 1229176, 1382823, 1391520, 1418280, 1536470, 1701936, 1843764, 1891040, 2087280, 2127420, 2304705, 2458352, 2765646, 2836560, 3072940, 3403872, 3687528, 4174560, 4254840, 4609410, 4916704, 5531292, 5673120, 6145880, 6914115, 7375056, 8509680, 9218820, 11062584, 12291760, 13828230, 14750112, 17019360, 18437640, 22125168, 24583520, 27656460, 36875280, 44250336, 55312920, 73750560, 110625840, 221251680]

約数ペア:

[(1, 221251680), (2, 110625840), (3, 73750560), (4, 55312920), (5, 44250336), (6, 36875280), (8, 27656460), (9, 24583520), (10, 22125168), (12, 18437640), (13, 17019360), (15, 14750112), (16, 13828230), (18, 12291760), (20, 11062584), (24, 9218820), (26, 8509680), (30, 7375056), (32, 6914115), (36, 6145880), (39, 5673120), (40, 5531292), (45, 4916704), (48, 4609410), (52, 4254840), (53, 4174560), (60, 3687528), (65, 3403872), (72, 3072940), (78, 2836560), (80, 2765646), (90, 2458352), (96, 2304705), (104, 2127420), (106, 2087280), (117, 1891040), (120, 1843764), (130, 1701936), (144, 1536470), (156, 1418280), (159, 1391520), (160, 1382823), (180, 1229176), (195, 1134624), (208, 1063710), (212, 1043640), (223, 992160), (234, 945520), (240, 921882), (260, 850968), (265, 834912), (288, 768235), (312, 709140), (318, 695760), (360, 614588), (390, 567312), (416, 531855), (424, 521820), (446, 496080), (468, 472760), (477, 463840), (480, 460941), (520, 425484), (530, 417456), (585, 378208), (624, 354570), (636, 347880), (669, 330720), (689, 321120), (720, 307294), (780, 283656), (795, 278304), (848, 260910), (892, 248040), (936, 236380), (954, 231920), (1040, 212742), (1060, 208728), (1115, 198432), (1170, 189104), (1248, 177285), (1272, 173940), (1338, 165360), (1378, 160560), (1440, 153647), (1560, 141828), (1590, 139152), (1696, 130455), (1784, 124020), (1872, 118190), (1908, 115960), (2007, 110240), (2067, 107040), (2080, 106371), (2120, 104364), (2230, 99216), (2340, 94552), (2385, 92768), (2544, 86970), (2676, 82680), (2756, 80280), (2899, 76320), (3120, 70914), (3180, 69576), (3345, 66144), (3445, 64224), (3568, 62010), (3744, 59095), (3816, 57980), (4014, 55120), (4134, 53520), (4240, 52182), (4460, 49608), (4680, 47276), (4770, 46384), (5088, 43485), (5352, 41340), (5512, 40140), (5798, 38160), (6201, 35680), (6240, 35457), (6360, 34788), (6690, 33072), (6890, 32112), (7136, 31005), (7632, 28990), (8028, 27560), (8268, 26760), (8480, 26091), (8697, 25440), (8920, 24804), (9360, 23638), (9540, 23192), (10035, 22048), (10335, 21408), (10704, 20670), (11024, 20070), (11596, 19080), (11819, 18720), (12402, 17840), (12720, 17394), (13380, 16536), (13780, 16056), (14495, 15264)]