1280101760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 256

約数和(自身を含む): 3701376000

約数和(自身を除く): 2421274240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 59, 64, 70, 80, 112, 116, 118, 128, 140, 145, 160, 167, 203, 224, 232, 236, 280, 290, 295, 320, 334, 406, 413, 448, 464, 472, 560, 580, 590, 640, 668, 812, 826, 835, 896, 928, 944, 1015, 1120, 1160, 1169, 1180, 1336, 1624, 1652, 1670, 1711, 1856, 1888, 2030, 2065, 2240, 2320, 2338, 2360, 2672, 3248, 3304, 3340, 3422, 3712, 3776, 4060, 4130, 4480, 4640, 4676, 4720, 4843, 5344, 5845, 6496, 6608, 6680, 6844, 7552, 8120, 8260, 8555, 9280, 9352, 9440, 9686, 9853, 10688, 11690, 11977, 12992, 13216, 13360, 13688, 16240, 16520, 17110, 18560, 18704, 18880, 19372, 19706, 21376, 23380, 23954, 24215, 25984, 26432, 26720, 27376, 32480, 33040, 33901, 34220, 37408, 37760, 38744, 39412, 46760, 47908, 48430, 49265, 52864, 53440, 54752, 59885, 64960, 66080, 67802, 68440, 68971, 74816, 77488, 78824, 93520, 95816, 96860, 98530, 106880, 109504, 119770, 129920, 132160, 135604, 136880, 137942, 149632, 154976, 157648, 169505, 187040, 191632, 193720, 197060, 219008, 239540, 264320, 271208, 273760, 275884, 285737, 309952, 315296, 339010, 344855, 374080, 383264, 387440, 394120, 479080, 542416, 547520, 551768, 571474, 619904, 630592, 678020, 689710, 748160, 766528, 774880, 788240, 958160, 1084832, 1095040, 1103536, 1142948, 1261184, 1356040, 1379420, 1428685, 1533056, 1549760, 1576480, 1916320, 2000159, 2169664, 2207072, 2285896, 2712080, 2758840, 2857370, 3099520, 3152960, 3832640, 4000318, 4339328, 4414144, 4571792, 5424160, 5517680, 5714740, 6305920, 7665280, 8000636, 8828288, 9143584, 10000795, 10848320, 11035360, 11429480, 16001272, 18287168, 20001590, 21696640, 22070720, 22858960, 32002544, 36574336, 40003180, 44141440, 45717920, 64005088, 80006360, 91435840, 128010176, 160012720, 182871680, 256020352, 320025440, 640050880, 1280101760]

約数ペア:

[(1, 1280101760), (2, 640050880), (4, 320025440), (5, 256020352), (7, 182871680), (8, 160012720), (10, 128010176), (14, 91435840), (16, 80006360), (20, 64005088), (28, 45717920), (29, 44141440), (32, 40003180), (35, 36574336), (40, 32002544), (56, 22858960), (58, 22070720), (59, 21696640), (64, 20001590), (70, 18287168), (80, 16001272), (112, 11429480), (116, 11035360), (118, 10848320), (128, 10000795), (140, 9143584), (145, 8828288), (160, 8000636), (167, 7665280), (203, 6305920), (224, 5714740), (232, 5517680), (236, 5424160), (280, 4571792), (290, 4414144), (295, 4339328), (320, 4000318), (334, 3832640), (406, 3152960), (413, 3099520), (448, 2857370), (464, 2758840), (472, 2712080), (560, 2285896), (580, 2207072), (590, 2169664), (640, 2000159), (668, 1916320), (812, 1576480), (826, 1549760), (835, 1533056), (896, 1428685), (928, 1379420), (944, 1356040), (1015, 1261184), (1120, 1142948), (1160, 1103536), (1169, 1095040), (1180, 1084832), (1336, 958160), (1624, 788240), (1652, 774880), (1670, 766528), (1711, 748160), (1856, 689710), (1888, 678020), (2030, 630592), (2065, 619904), (2240, 571474), (2320, 551768), (2338, 547520), (2360, 542416), (2672, 479080), (3248, 394120), (3304, 387440), (3340, 383264), (3422, 374080), (3712, 344855), (3776, 339010), (4060, 315296), (4130, 309952), (4480, 285737), (4640, 275884), (4676, 273760), (4720, 271208), (4843, 264320), (5344, 239540), (5845, 219008), (6496, 197060), (6608, 193720), (6680, 191632), (6844, 187040), (7552, 169505), (8120, 157648), (8260, 154976), (8555, 149632), (9280, 137942), (9352, 136880), (9440, 135604), (9686, 132160), (9853, 129920), (10688, 119770), (11690, 109504), (11977, 106880), (12992, 98530), (13216, 96860), (13360, 95816), (13688, 93520), (16240, 78824), (16520, 77488), (17110, 74816), (18560, 68971), (18704, 68440), (18880, 67802), (19372, 66080), (19706, 64960), (21376, 59885), (23380, 54752), (23954, 53440), (24215, 52864), (25984, 49265), (26432, 48430), (26720, 47908), (27376, 46760), (32480, 39412), (33040, 38744), (33901, 37760), (34220, 37408)]