639797760

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{3967}}^1$

素因数の和:4003

約数の個数: 240

約数和(自身を含む): 2532980736

約数和(自身を除く): 1893182976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 3967, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 7934, 8064, 8960, 10080, 10752, 11520, 11901, 13440, 15868, 16128, 17920, 19835, 20160, 23040, 23802, 26880, 27769, 31736, 32256, 35703, 39670, 40320, 47604, 53760, 55538, 59505, 63472, 71406, 79340, 80640, 83307, 95208, 111076, 119010, 126944, 138845, 142812, 158680, 161280, 166614, 178515, 190416, 222152, 238020, 249921, 253888, 277690, 285624, 317360, 333228, 357030, 380832, 416535, 444304, 476040, 499842, 507776, 555380, 571248, 634720, 666456, 714060, 761664, 833070, 888608, 952080, 999684, 1015552, 1110760, 1142496, 1249605, 1269440, 1332912, 1428120, 1523328, 1666140, 1777216, 1904160, 1999368, 2031104, 2221520, 2284992, 2499210, 2538880, 2665824, 2856240, 3046656, 3332280, 3554432, 3808320, 3998736, 4443040, 4569984, 4998420, 5077760, 5331648, 5712480, 6093312, 6664560, 7108864, 7616640, 7997472, 8886080, 9139968, 9996840, 10155520, 10663296, 11424960, 13329120, 14217728, 15233280, 15994944, 17772160, 18279936, 19993680, 21326592, 22849920, 26658240, 30466560, 31989888, 35544320, 39987360, 42653184, 45699840, 53316480, 63979776, 71088640, 79974720, 91399680, 106632960, 127959552, 159949440, 213265920, 319898880, 639797760]

約数ペア:

[(1, 639797760), (2, 319898880), (3, 213265920), (4, 159949440), (5, 127959552), (6, 106632960), (7, 91399680), (8, 79974720), (9, 71088640), (10, 63979776), (12, 53316480), (14, 45699840), (15, 42653184), (16, 39987360), (18, 35544320), (20, 31989888), (21, 30466560), (24, 26658240), (28, 22849920), (30, 21326592), (32, 19993680), (35, 18279936), (36, 17772160), (40, 15994944), (42, 15233280), (45, 14217728), (48, 13329120), (56, 11424960), (60, 10663296), (63, 10155520), (64, 9996840), (70, 9139968), (72, 8886080), (80, 7997472), (84, 7616640), (90, 7108864), (96, 6664560), (105, 6093312), (112, 5712480), (120, 5331648), (126, 5077760), (128, 4998420), (140, 4569984), (144, 4443040), (160, 3998736), (168, 3808320), (180, 3554432), (192, 3332280), (210, 3046656), (224, 2856240), (240, 2665824), (252, 2538880), (256, 2499210), (280, 2284992), (288, 2221520), (315, 2031104), (320, 1999368), (336, 1904160), (360, 1777216), (384, 1666140), (420, 1523328), (448, 1428120), (480, 1332912), (504, 1269440), (512, 1249605), (560, 1142496), (576, 1110760), (630, 1015552), (640, 999684), (672, 952080), (720, 888608), (768, 833070), (840, 761664), (896, 714060), (960, 666456), (1008, 634720), (1120, 571248), (1152, 555380), (1260, 507776), (1280, 499842), (1344, 476040), (1440, 444304), (1536, 416535), (1680, 380832), (1792, 357030), (1920, 333228), (2016, 317360), (2240, 285624), (2304, 277690), (2520, 253888), (2560, 249921), (2688, 238020), (2880, 222152), (3360, 190416), (3584, 178515), (3840, 166614), (3967, 161280), (4032, 158680), (4480, 142812), (4608, 138845), (5040, 126944), (5376, 119010), (5760, 111076), (6720, 95208), (7680, 83307), (7934, 80640), (8064, 79340), (8960, 71406), (10080, 63472), (10752, 59505), (11520, 55538), (11901, 53760), (13440, 47604), (15868, 40320), (16128, 39670), (17920, 35703), (19835, 32256), (20160, 31736), (23040, 27769), (23802, 26880)]