2720020128

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{521}}^1$

素因数の和:1015

約数の個数: 192

約数和(自身を含む): 8675589888

約数和(自身を除く): 5955569760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 112, 119, 136, 168, 204, 224, 238, 272, 336, 357, 408, 457, 476, 521, 544, 672, 714, 816, 914, 952, 1042, 1371, 1428, 1563, 1632, 1828, 1904, 2084, 2742, 2856, 3126, 3199, 3647, 3656, 3808, 4168, 5484, 5712, 6252, 6398, 7294, 7312, 7769, 8336, 8857, 9597, 10941, 10968, 11424, 12504, 12796, 14588, 14624, 15538, 16672, 17714, 19194, 21882, 21936, 23307, 25008, 25592, 26571, 29176, 31076, 35428, 38388, 43764, 43872, 46614, 50016, 51184, 53142, 54383, 58352, 61999, 62152, 70856, 76776, 87528, 93228, 102368, 106284, 108766, 116704, 123998, 124304, 141712, 153552, 163149, 175056, 185997, 186456, 212568, 217532, 238097, 247996, 248608, 283424, 307104, 326298, 350112, 371994, 372912, 425136, 435064, 476194, 495992, 652596, 714291, 743988, 745824, 850272, 870128, 952388, 991984, 1305192, 1428582, 1487976, 1666679, 1740256, 1904776, 1983968, 2610384, 2857164, 2975952, 3333358, 3809552, 4047649, 5000037, 5220768, 5714328, 5951904, 6666716, 7619104, 8095298, 10000074, 11428656, 12142947, 13333432, 16190596, 20000148, 22857312, 24285894, 26666864, 28333543, 32381192, 40000296, 48571788, 53333728, 56667086, 64762384, 80000592, 85000629, 97143576, 113334172, 129524768, 160001184, 170001258, 194287152, 226668344, 340002516, 388574304, 453336688, 680005032, 906673376, 1360010064, 2720020128]

約数ペア:

[(1, 2720020128), (2, 1360010064), (3, 906673376), (4, 680005032), (6, 453336688), (7, 388574304), (8, 340002516), (12, 226668344), (14, 194287152), (16, 170001258), (17, 160001184), (21, 129524768), (24, 113334172), (28, 97143576), (32, 85000629), (34, 80000592), (42, 64762384), (48, 56667086), (51, 53333728), (56, 48571788), (68, 40000296), (84, 32381192), (96, 28333543), (102, 26666864), (112, 24285894), (119, 22857312), (136, 20000148), (168, 16190596), (204, 13333432), (224, 12142947), (238, 11428656), (272, 10000074), (336, 8095298), (357, 7619104), (408, 6666716), (457, 5951904), (476, 5714328), (521, 5220768), (544, 5000037), (672, 4047649), (714, 3809552), (816, 3333358), (914, 2975952), (952, 2857164), (1042, 2610384), (1371, 1983968), (1428, 1904776), (1563, 1740256), (1632, 1666679), (1828, 1487976), (1904, 1428582), (2084, 1305192), (2742, 991984), (2856, 952388), (3126, 870128), (3199, 850272), (3647, 745824), (3656, 743988), (3808, 714291), (4168, 652596), (5484, 495992), (5712, 476194), (6252, 435064), (6398, 425136), (7294, 372912), (7312, 371994), (7769, 350112), (8336, 326298), (8857, 307104), (9597, 283424), (10941, 248608), (10968, 247996), (11424, 238097), (12504, 217532), (12796, 212568), (14588, 186456), (14624, 185997), (15538, 175056), (16672, 163149), (17714, 153552), (19194, 141712), (21882, 124304), (21936, 123998), (23307, 116704), (25008, 108766), (25592, 106284), (26571, 102368), (29176, 93228), (31076, 87528), (35428, 76776), (38388, 70856), (43764, 62152), (43872, 61999), (46614, 58352), (50016, 54383), (51184, 53142)]