128828160

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 216

約数和(自身を含む): 456294384

約数和(自身を除く): 327466224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 211, 212, 240, 256, 265, 288, 318, 320, 360, 384, 422, 424, 477, 480, 530, 576, 633, 636, 640, 720, 768, 795, 844, 848, 954, 960, 1055, 1060, 1152, 1266, 1272, 1280, 1440, 1590, 1688, 1696, 1899, 1908, 1920, 2110, 2120, 2304, 2385, 2532, 2544, 2880, 3165, 3180, 3376, 3392, 3798, 3816, 3840, 4220, 4240, 4770, 5064, 5088, 5760, 6330, 6360, 6752, 6784, 7596, 7632, 8440, 8480, 9495, 9540, 10128, 10176, 11183, 11520, 12660, 12720, 13504, 13568, 15192, 15264, 16880, 16960, 18990, 19080, 20256, 20352, 22366, 25320, 25440, 27008, 30384, 30528, 33549, 33760, 33920, 37980, 38160, 40512, 40704, 44732, 50640, 50880, 54016, 55915, 60768, 61056, 67098, 67520, 67840, 75960, 76320, 81024, 89464, 100647, 101280, 101760, 111830, 121536, 122112, 134196, 135040, 151920, 152640, 162048, 167745, 178928, 201294, 202560, 203520, 223660, 243072, 268392, 270080, 303840, 305280, 335490, 357856, 402588, 405120, 447320, 486144, 503235, 536784, 607680, 610560, 670980, 715712, 805176, 810240, 894640, 1006470, 1073568, 1215360, 1341960, 1431424, 1610352, 1789280, 2012940, 2147136, 2430720, 2683920, 2862848, 3220704, 3578560, 4025880, 4294272, 5367840, 6441408, 7157120, 8051760, 8588544, 10735680, 12882816, 14314240, 16103520, 21471360, 25765632, 32207040, 42942720, 64414080, 128828160]

約数ペア:

[(1, 128828160), (2, 64414080), (3, 42942720), (4, 32207040), (5, 25765632), (6, 21471360), (8, 16103520), (9, 14314240), (10, 12882816), (12, 10735680), (15, 8588544), (16, 8051760), (18, 7157120), (20, 6441408), (24, 5367840), (30, 4294272), (32, 4025880), (36, 3578560), (40, 3220704), (45, 2862848), (48, 2683920), (53, 2430720), (60, 2147136), (64, 2012940), (72, 1789280), (80, 1610352), (90, 1431424), (96, 1341960), (106, 1215360), (120, 1073568), (128, 1006470), (144, 894640), (159, 810240), (160, 805176), (180, 715712), (192, 670980), (211, 610560), (212, 607680), (240, 536784), (256, 503235), (265, 486144), (288, 447320), (318, 405120), (320, 402588), (360, 357856), (384, 335490), (422, 305280), (424, 303840), (477, 270080), (480, 268392), (530, 243072), (576, 223660), (633, 203520), (636, 202560), (640, 201294), (720, 178928), (768, 167745), (795, 162048), (844, 152640), (848, 151920), (954, 135040), (960, 134196), (1055, 122112), (1060, 121536), (1152, 111830), (1266, 101760), (1272, 101280), (1280, 100647), (1440, 89464), (1590, 81024), (1688, 76320), (1696, 75960), (1899, 67840), (1908, 67520), (1920, 67098), (2110, 61056), (2120, 60768), (2304, 55915), (2385, 54016), (2532, 50880), (2544, 50640), (2880, 44732), (3165, 40704), (3180, 40512), (3376, 38160), (3392, 37980), (3798, 33920), (3816, 33760), (3840, 33549), (4220, 30528), (4240, 30384), (4770, 27008), (5064, 25440), (5088, 25320), (5760, 22366), (6330, 20352), (6360, 20256), (6752, 19080), (6784, 18990), (7596, 16960), (7632, 16880), (8440, 15264), (8480, 15192), (9495, 13568), (9540, 13504), (10128, 12720), (10176, 12660), (11183, 11520)]