28129920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 384

約数和(自身を含む): 117210240

約数和(自身を除く): 89080320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 23, 24, 26, 28, 30, 32, 35, 39, 40, 42, 46, 48, 49, 52, 56, 60, 64, 65, 69, 70, 78, 80, 84, 91, 92, 96, 98, 104, 105, 112, 115, 120, 128, 130, 138, 140, 147, 156, 160, 161, 168, 182, 184, 192, 195, 196, 208, 210, 224, 230, 240, 245, 260, 273, 276, 280, 294, 299, 312, 320, 322, 336, 345, 364, 368, 384, 390, 392, 416, 420, 448, 455, 460, 480, 483, 490, 520, 546, 552, 560, 588, 598, 624, 637, 640, 644, 672, 690, 728, 735, 736, 780, 784, 805, 832, 840, 896, 897, 910, 920, 960, 966, 980, 1040, 1092, 1104, 1120, 1127, 1176, 1196, 1248, 1274, 1288, 1344, 1365, 1380, 1456, 1470, 1472, 1495, 1560, 1568, 1610, 1664, 1680, 1794, 1820, 1840, 1911, 1920, 1932, 1960, 2080, 2093, 2184, 2208, 2240, 2254, 2352, 2392, 2415, 2496, 2548, 2576, 2688, 2730, 2760, 2912, 2940, 2944, 2990, 3120, 3136, 3185, 3220, 3360, 3381, 3588, 3640, 3680, 3822, 3864, 3920, 4160, 4186, 4368, 4416, 4480, 4485, 4508, 4704, 4784, 4830, 4992, 5096, 5152, 5460, 5520, 5635, 5824, 5880, 5980, 6240, 6272, 6279, 6370, 6440, 6720, 6762, 7176, 7280, 7360, 7644, 7728, 7840, 8320, 8372, 8736, 8832, 8970, 9016, 9408, 9555, 9568, 9660, 10192, 10304, 10465, 10920, 11040, 11270, 11648, 11760, 11960, 12480, 12558, 12740, 12880, 13440, 13524, 14352, 14560, 14651, 14720, 15288, 15456, 15680, 16744, 16905, 17472, 17940, 18032, 18816, 19110, 19136, 19320, 20384, 20608, 20930, 21840, 22080, 22540, 23520, 23920, 24960, 25116, 25480, 25760, 27048, 28704, 29120, 29302, 30576, 30912, 31360, 31395, 33488, 33810, 34944, 35880, 36064, 38220, 38272, 38640, 40768, 41860, 43680, 43953, 44160, 45080, 47040, 47840, 50232, 50960, 51520, 54096, 57408, 58240, 58604, 61152, 61824, 62790, 66976, 67620, 71760, 72128, 73255, 76440, 77280, 81536, 83720, 87360, 87906, 90160, 94080, 95680, 100464, 101920, 103040, 108192, 114816, 117208, 122304, 125580, 133952, 135240, 143520, 144256, 146510, 152880, 154560, 167440, 174720, 175812, 180320, 191360, 200928, 203840, 216384, 219765, 234416, 244608, 251160, 267904, 270480, 287040, 293020, 305760, 309120, 334880, 351624, 360640, 401856, 407680, 432768, 439530, 468832, 502320, 540960, 574080, 586040, 611520, 669760, 703248, 721280, 803712, 879060, 937664, 1004640, 1081920, 1172080, 1223040, 1339520, 1406496, 1758120, 1875328, 2009280, 2163840, 2344160, 2812992, 3516240, 4018560, 4688320, 5625984, 7032480, 9376640, 14064960, 28129920]

約数ペア:

[(1, 28129920), (2, 14064960), (3, 9376640), (4, 7032480), (5, 5625984), (6, 4688320), (7, 4018560), (8, 3516240), (10, 2812992), (12, 2344160), (13, 2163840), (14, 2009280), (15, 1875328), (16, 1758120), (20, 1406496), (21, 1339520), (23, 1223040), (24, 1172080), (26, 1081920), (28, 1004640), (30, 937664), (32, 879060), (35, 803712), (39, 721280), (40, 703248), (42, 669760), (46, 611520), (48, 586040), (49, 574080), (52, 540960), (56, 502320), (60, 468832), (64, 439530), (65, 432768), (69, 407680), (70, 401856), (78, 360640), (80, 351624), (84, 334880), (91, 309120), (92, 305760), (96, 293020), (98, 287040), (104, 270480), (105, 267904), (112, 251160), (115, 244608), (120, 234416), (128, 219765), (130, 216384), (138, 203840), (140, 200928), (147, 191360), (156, 180320), (160, 175812), (161, 174720), (168, 167440), (182, 154560), (184, 152880), (192, 146510), (195, 144256), (196, 143520), (208, 135240), (210, 133952), (224, 125580), (230, 122304), (240, 117208), (245, 114816), (260, 108192), (273, 103040), (276, 101920), (280, 100464), (294, 95680), (299, 94080), (312, 90160), (320, 87906), (322, 87360), (336, 83720), (345, 81536), (364, 77280), (368, 76440), (384, 73255), (390, 72128), (392, 71760), (416, 67620), (420, 66976), (448, 62790), (455, 61824), (460, 61152), (480, 58604), (483, 58240), (490, 57408), (520, 54096), (546, 51520), (552, 50960), (560, 50232), (588, 47840), (598, 47040), (624, 45080), (637, 44160), (640, 43953), (644, 43680), (672, 41860), (690, 40768), (728, 38640), (735, 38272), (736, 38220), (780, 36064), (784, 35880), (805, 34944), (832, 33810), (840, 33488), (896, 31395), (897, 31360), (910, 30912), (920, 30576), (960, 29302), (966, 29120), (980, 28704), (1040, 27048), (1092, 25760), (1104, 25480), (1120, 25116), (1127, 24960), (1176, 23920), (1196, 23520), (1248, 22540), (1274, 22080), (1288, 21840), (1344, 20930), (1365, 20608), (1380, 20384), (1456, 19320), (1470, 19136), (1472, 19110), (1495, 18816), (1560, 18032), (1568, 17940), (1610, 17472), (1664, 16905), (1680, 16744), (1794, 15680), (1820, 15456), (1840, 15288), (1911, 14720), (1920, 14651), (1932, 14560), (1960, 14352), (2080, 13524), (2093, 13440), (2184, 12880), (2208, 12740), (2240, 12558), (2254, 12480), (2352, 11960), (2392, 11760), (2415, 11648), (2496, 11270), (2548, 11040), (2576, 10920), (2688, 10465), (2730, 10304), (2760, 10192), (2912, 9660), (2940, 9568), (2944, 9555), (2990, 9408), (3120, 9016), (3136, 8970), (3185, 8832), (3220, 8736), (3360, 8372), (3381, 8320), (3588, 7840), (3640, 7728), (3680, 7644), (3822, 7360), (3864, 7280), (3920, 7176), (4160, 6762), (4186, 6720), (4368, 6440), (4416, 6370), (4480, 6279), (4485, 6272), (4508, 6240), (4704, 5980), (4784, 5880), (4830, 5824), (4992, 5635), (5096, 5520), (5152, 5460)]