128513280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{683}}^1$

素因数の和:721

約数の個数: 216

約数和(自身を含む): 478148832

約数和(自身を除く): 349635552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 683, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1366, 1470, 1568, 1680, 1792, 1920, 1960, 2049, 2240, 2352, 2688, 2732, 2940, 3136, 3360, 3415, 3840, 3920, 4098, 4480, 4704, 4781, 5376, 5464, 5880, 6272, 6720, 6830, 7840, 8196, 8960, 9408, 9562, 10245, 10928, 11760, 12544, 13440, 13660, 14343, 15680, 16392, 18816, 19124, 20490, 21856, 23520, 23905, 26880, 27320, 28686, 31360, 32784, 33467, 37632, 38248, 40980, 43712, 47040, 47810, 54640, 57372, 62720, 65568, 66934, 71715, 76496, 81960, 87424, 94080, 95620, 100401, 109280, 114744, 131136, 133868, 143430, 152992, 163920, 167335, 174848, 188160, 191240, 200802, 218560, 229488, 262272, 267736, 286860, 305984, 327840, 334670, 382480, 401604, 437120, 458976, 502005, 524544, 535472, 573720, 611968, 655680, 669340, 764960, 803208, 874240, 917952, 1004010, 1070944, 1147440, 1223936, 1311360, 1338680, 1529920, 1606416, 1835904, 2008020, 2141888, 2294880, 2622720, 2677360, 3059840, 3212832, 3671808, 4016040, 4283776, 4589760, 5354720, 6119680, 6425664, 8032080, 8567552, 9179520, 10709440, 12851328, 16064160, 18359040, 21418880, 25702656, 32128320, 42837760, 64256640, 128513280]

約数ペア:

[(1, 128513280), (2, 64256640), (3, 42837760), (4, 32128320), (5, 25702656), (6, 21418880), (7, 18359040), (8, 16064160), (10, 12851328), (12, 10709440), (14, 9179520), (15, 8567552), (16, 8032080), (20, 6425664), (21, 6119680), (24, 5354720), (28, 4589760), (30, 4283776), (32, 4016040), (35, 3671808), (40, 3212832), (42, 3059840), (48, 2677360), (49, 2622720), (56, 2294880), (60, 2141888), (64, 2008020), (70, 1835904), (80, 1606416), (84, 1529920), (96, 1338680), (98, 1311360), (105, 1223936), (112, 1147440), (120, 1070944), (128, 1004010), (140, 917952), (147, 874240), (160, 803208), (168, 764960), (192, 669340), (196, 655680), (210, 611968), (224, 573720), (240, 535472), (245, 524544), (256, 502005), (280, 458976), (294, 437120), (320, 401604), (336, 382480), (384, 334670), (392, 327840), (420, 305984), (448, 286860), (480, 267736), (490, 262272), (560, 229488), (588, 218560), (640, 200802), (672, 191240), (683, 188160), (735, 174848), (768, 167335), (784, 163920), (840, 152992), (896, 143430), (960, 133868), (980, 131136), (1120, 114744), (1176, 109280), (1280, 100401), (1344, 95620), (1366, 94080), (1470, 87424), (1568, 81960), (1680, 76496), (1792, 71715), (1920, 66934), (1960, 65568), (2049, 62720), (2240, 57372), (2352, 54640), (2688, 47810), (2732, 47040), (2940, 43712), (3136, 40980), (3360, 38248), (3415, 37632), (3840, 33467), (3920, 32784), (4098, 31360), (4480, 28686), (4704, 27320), (4781, 26880), (5376, 23905), (5464, 23520), (5880, 21856), (6272, 20490), (6720, 19124), (6830, 18816), (7840, 16392), (8196, 15680), (8960, 14343), (9408, 13660), (9562, 13440), (10245, 12544), (10928, 11760)]