1274362880

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:131

約数の個数: 264

約数和(自身を含む): 3707591904

約数和(自身を除く): 2433229024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 56, 62, 64, 70, 74, 80, 112, 124, 128, 140, 148, 155, 160, 185, 217, 224, 248, 256, 259, 280, 296, 310, 320, 370, 434, 448, 496, 512, 518, 560, 592, 620, 640, 740, 868, 896, 961, 992, 1024, 1036, 1085, 1120, 1147, 1184, 1240, 1280, 1295, 1480, 1736, 1792, 1922, 1984, 2072, 2170, 2240, 2294, 2368, 2480, 2560, 2590, 2960, 3472, 3584, 3844, 3968, 4144, 4340, 4480, 4588, 4736, 4805, 4960, 5120, 5180, 5735, 5920, 6727, 6944, 7168, 7688, 7936, 8029, 8288, 8680, 8960, 9176, 9472, 9610, 9920, 10360, 11470, 11840, 13454, 13888, 15376, 15872, 16058, 16576, 17360, 17920, 18352, 18944, 19220, 19840, 20720, 22940, 23680, 26908, 27776, 30752, 31744, 32116, 33152, 33635, 34720, 35557, 35840, 36704, 37888, 38440, 39680, 40145, 41440, 45880, 47360, 53816, 55552, 61504, 64232, 66304, 67270, 69440, 71114, 73408, 76880, 79360, 80290, 82880, 91760, 94720, 107632, 111104, 123008, 128464, 132608, 134540, 138880, 142228, 146816, 153760, 158720, 160580, 165760, 177785, 183520, 189440, 215264, 222208, 246016, 248899, 256928, 265216, 269080, 277760, 284456, 293632, 307520, 321160, 331520, 355570, 367040, 430528, 492032, 497798, 513856, 538160, 555520, 568912, 587264, 615040, 642320, 663040, 711140, 734080, 861056, 984064, 995596, 1027712, 1076320, 1111040, 1137824, 1174528, 1230080, 1244495, 1284640, 1326080, 1422280, 1468160, 1722112, 1991192, 2055424, 2152640, 2275648, 2460160, 2488990, 2569280, 2844560, 2936320, 3444224, 3982384, 4110848, 4305280, 4551296, 4920320, 4977980, 5138560, 5689120, 5872640, 6888448, 7964768, 8221696, 8610560, 9102592, 9955960, 10277120, 11378240, 15929536, 17221120, 18205184, 19911920, 20554240, 22756480, 31859072, 34442240, 36410368, 39823840, 41108480, 45512960, 63718144, 79647680, 91025920, 127436288, 159295360, 182051840, 254872576, 318590720, 637181440, 1274362880]

約数ペア:

[(1, 1274362880), (2, 637181440), (4, 318590720), (5, 254872576), (7, 182051840), (8, 159295360), (10, 127436288), (14, 91025920), (16, 79647680), (20, 63718144), (28, 45512960), (31, 41108480), (32, 39823840), (35, 36410368), (37, 34442240), (40, 31859072), (56, 22756480), (62, 20554240), (64, 19911920), (70, 18205184), (74, 17221120), (80, 15929536), (112, 11378240), (124, 10277120), (128, 9955960), (140, 9102592), (148, 8610560), (155, 8221696), (160, 7964768), (185, 6888448), (217, 5872640), (224, 5689120), (248, 5138560), (256, 4977980), (259, 4920320), (280, 4551296), (296, 4305280), (310, 4110848), (320, 3982384), (370, 3444224), (434, 2936320), (448, 2844560), (496, 2569280), (512, 2488990), (518, 2460160), (560, 2275648), (592, 2152640), (620, 2055424), (640, 1991192), (740, 1722112), (868, 1468160), (896, 1422280), (961, 1326080), (992, 1284640), (1024, 1244495), (1036, 1230080), (1085, 1174528), (1120, 1137824), (1147, 1111040), (1184, 1076320), (1240, 1027712), (1280, 995596), (1295, 984064), (1480, 861056), (1736, 734080), (1792, 711140), (1922, 663040), (1984, 642320), (2072, 615040), (2170, 587264), (2240, 568912), (2294, 555520), (2368, 538160), (2480, 513856), (2560, 497798), (2590, 492032), (2960, 430528), (3472, 367040), (3584, 355570), (3844, 331520), (3968, 321160), (4144, 307520), (4340, 293632), (4480, 284456), (4588, 277760), (4736, 269080), (4805, 265216), (4960, 256928), (5120, 248899), (5180, 246016), (5735, 222208), (5920, 215264), (6727, 189440), (6944, 183520), (7168, 177785), (7688, 165760), (7936, 160580), (8029, 158720), (8288, 153760), (8680, 146816), (8960, 142228), (9176, 138880), (9472, 134540), (9610, 132608), (9920, 128464), (10360, 123008), (11470, 111104), (11840, 107632), (13454, 94720), (13888, 91760), (15376, 82880), (15872, 80290), (16058, 79360), (16576, 76880), (17360, 73408), (17920, 71114), (18352, 69440), (18944, 67270), (19220, 66304), (19840, 64232), (20720, 61504), (22940, 55552), (23680, 53816), (26908, 47360), (27776, 45880), (30752, 41440), (31744, 40145), (32116, 39680), (33152, 38440), (33635, 37888), (34720, 36704), (35557, 35840)]