206965920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2043

約数の個数: 192

約数和(自身を含む): 769499136

約数和(自身を除く): 562533216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 992, 1085, 1120, 1240, 1302, 1488, 1680, 1736, 1860, 1987, 2170, 2480, 2604, 2976, 3255, 3360, 3472, 3720, 3974, 4340, 4960, 5208, 5961, 6510, 6944, 7440, 7948, 8680, 9935, 10416, 11922, 13020, 13909, 14880, 15896, 17360, 19870, 20832, 23844, 26040, 27818, 29805, 31792, 34720, 39740, 41727, 47688, 52080, 55636, 59610, 61597, 63584, 69545, 79480, 83454, 95376, 104160, 111272, 119220, 123194, 139090, 158960, 166908, 184791, 190752, 208635, 222544, 238440, 246388, 278180, 307985, 317920, 333816, 369582, 417270, 431179, 445088, 476880, 492776, 556360, 615970, 667632, 739164, 834540, 862358, 923955, 953760, 985552, 1112720, 1231940, 1293537, 1335264, 1478328, 1669080, 1724716, 1847910, 1971104, 2155895, 2225440, 2463880, 2587074, 2956656, 3338160, 3449432, 3695820, 4311790, 4927760, 5174148, 5913312, 6467685, 6676320, 6898864, 7391640, 8623580, 9855520, 10348296, 12935370, 13797728, 14783280, 17247160, 20696592, 25870740, 29566560, 34494320, 41393184, 51741480, 68988640, 103482960, 206965920]

約数ペア:

[(1, 206965920), (2, 103482960), (3, 68988640), (4, 51741480), (5, 41393184), (6, 34494320), (7, 29566560), (8, 25870740), (10, 20696592), (12, 17247160), (14, 14783280), (15, 13797728), (16, 12935370), (20, 10348296), (21, 9855520), (24, 8623580), (28, 7391640), (30, 6898864), (31, 6676320), (32, 6467685), (35, 5913312), (40, 5174148), (42, 4927760), (48, 4311790), (56, 3695820), (60, 3449432), (62, 3338160), (70, 2956656), (80, 2587074), (84, 2463880), (93, 2225440), (96, 2155895), (105, 1971104), (112, 1847910), (120, 1724716), (124, 1669080), (140, 1478328), (155, 1335264), (160, 1293537), (168, 1231940), (186, 1112720), (210, 985552), (217, 953760), (224, 923955), (240, 862358), (248, 834540), (280, 739164), (310, 667632), (336, 615970), (372, 556360), (420, 492776), (434, 476880), (465, 445088), (480, 431179), (496, 417270), (560, 369582), (620, 333816), (651, 317920), (672, 307985), (744, 278180), (840, 246388), (868, 238440), (930, 222544), (992, 208635), (1085, 190752), (1120, 184791), (1240, 166908), (1302, 158960), (1488, 139090), (1680, 123194), (1736, 119220), (1860, 111272), (1987, 104160), (2170, 95376), (2480, 83454), (2604, 79480), (2976, 69545), (3255, 63584), (3360, 61597), (3472, 59610), (3720, 55636), (3974, 52080), (4340, 47688), (4960, 41727), (5208, 39740), (5961, 34720), (6510, 31792), (6944, 29805), (7440, 27818), (7948, 26040), (8680, 23844), (9935, 20832), (10416, 19870), (11922, 17360), (13020, 15896), (13909, 14880)]