666137920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 224

約数和(自身を含む): 1917167616

約数和(自身を除く): 1251029696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 53, 56, 62, 64, 70, 80, 106, 112, 124, 140, 155, 160, 181, 212, 217, 224, 248, 265, 280, 310, 320, 362, 371, 424, 434, 448, 496, 530, 560, 620, 724, 742, 848, 868, 905, 992, 1060, 1085, 1120, 1240, 1267, 1448, 1484, 1643, 1696, 1736, 1810, 1855, 1984, 2120, 2170, 2240, 2480, 2534, 2896, 2968, 3286, 3392, 3472, 3620, 3710, 4240, 4340, 4960, 5068, 5611, 5792, 5936, 6335, 6572, 6944, 7240, 7420, 8215, 8480, 8680, 9593, 9920, 10136, 11222, 11501, 11584, 11872, 12670, 13144, 13888, 14480, 14840, 16430, 16960, 17360, 19186, 20272, 22444, 23002, 23744, 25340, 26288, 28055, 28960, 29680, 32860, 34720, 38372, 39277, 40544, 44888, 46004, 47965, 50680, 52576, 56110, 57505, 57920, 59360, 65720, 67151, 69440, 76744, 78554, 81088, 89776, 92008, 95930, 101360, 105152, 112220, 115010, 118720, 131440, 134302, 153488, 157108, 179552, 184016, 191860, 196385, 202720, 224440, 230020, 262880, 268604, 297383, 306976, 314216, 335755, 359104, 368032, 383720, 392770, 405440, 448880, 460040, 525760, 537208, 594766, 613952, 628432, 671510, 736064, 767440, 785540, 897760, 920080, 1074416, 1189532, 1256864, 1343020, 1486915, 1534880, 1571080, 1795520, 1840160, 2081681, 2148832, 2379064, 2513728, 2686040, 2973830, 3069760, 3142160, 3680320, 4163362, 4297664, 4758128, 5372080, 5947660, 6284320, 8326724, 9516256, 10408405, 10744160, 11895320, 12568640, 16653448, 19032512, 20816810, 21488320, 23790640, 33306896, 41633620, 47581280, 66613792, 83267240, 95162560, 133227584, 166534480, 333068960, 666137920]

約数ペア:

[(1, 666137920), (2, 333068960), (4, 166534480), (5, 133227584), (7, 95162560), (8, 83267240), (10, 66613792), (14, 47581280), (16, 41633620), (20, 33306896), (28, 23790640), (31, 21488320), (32, 20816810), (35, 19032512), (40, 16653448), (53, 12568640), (56, 11895320), (62, 10744160), (64, 10408405), (70, 9516256), (80, 8326724), (106, 6284320), (112, 5947660), (124, 5372080), (140, 4758128), (155, 4297664), (160, 4163362), (181, 3680320), (212, 3142160), (217, 3069760), (224, 2973830), (248, 2686040), (265, 2513728), (280, 2379064), (310, 2148832), (320, 2081681), (362, 1840160), (371, 1795520), (424, 1571080), (434, 1534880), (448, 1486915), (496, 1343020), (530, 1256864), (560, 1189532), (620, 1074416), (724, 920080), (742, 897760), (848, 785540), (868, 767440), (905, 736064), (992, 671510), (1060, 628432), (1085, 613952), (1120, 594766), (1240, 537208), (1267, 525760), (1448, 460040), (1484, 448880), (1643, 405440), (1696, 392770), (1736, 383720), (1810, 368032), (1855, 359104), (1984, 335755), (2120, 314216), (2170, 306976), (2240, 297383), (2480, 268604), (2534, 262880), (2896, 230020), (2968, 224440), (3286, 202720), (3392, 196385), (3472, 191860), (3620, 184016), (3710, 179552), (4240, 157108), (4340, 153488), (4960, 134302), (5068, 131440), (5611, 118720), (5792, 115010), (5936, 112220), (6335, 105152), (6572, 101360), (6944, 95930), (7240, 92008), (7420, 89776), (8215, 81088), (8480, 78554), (8680, 76744), (9593, 69440), (9920, 67151), (10136, 65720), (11222, 59360), (11501, 57920), (11584, 57505), (11872, 56110), (12670, 52576), (13144, 50680), (13888, 47965), (14480, 46004), (14840, 44888), (16430, 40544), (16960, 39277), (17360, 38372), (19186, 34720), (20272, 32860), (22444, 29680), (23002, 28960), (23744, 28055), (25340, 26288)]