64256640

素因数分解:

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

素因数の和:719

約数の個数: 192

約数和(自身を含む): 238606560

約数和(自身を除く): 174349920

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, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 683, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1366, 1470, 1568, 1680, 1920, 1960, 2049, 2240, 2352, 2688, 2732, 2940, 3136, 3360, 3415, 3920, 4098, 4480, 4704, 4781, 5464, 5880, 6272, 6720, 6830, 7840, 8196, 9408, 9562, 10245, 10928, 11760, 13440, 13660, 14343, 15680, 16392, 18816, 19124, 20490, 21856, 23520, 23905, 27320, 28686, 31360, 32784, 33467, 38248, 40980, 43712, 47040, 47810, 54640, 57372, 65568, 66934, 71715, 76496, 81960, 87424, 94080, 95620, 100401, 109280, 114744, 131136, 133868, 143430, 152992, 163920, 167335, 191240, 200802, 218560, 229488, 262272, 267736, 286860, 305984, 327840, 334670, 382480, 401604, 437120, 458976, 502005, 535472, 573720, 611968, 655680, 669340, 764960, 803208, 917952, 1004010, 1070944, 1147440, 1311360, 1338680, 1529920, 1606416, 1835904, 2008020, 2141888, 2294880, 2677360, 3059840, 3212832, 4016040, 4283776, 4589760, 5354720, 6425664, 8032080, 9179520, 10709440, 12851328, 16064160, 21418880, 32128320, 64256640]

約数ペア:

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