393215760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1366

約数の個数: 240

約数和(自身を含む): 1535139840

約数和(自身を除く): 1141924080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 240, 244, 252, 280, 305, 315, 336, 360, 366, 420, 427, 488, 504, 549, 560, 610, 630, 720, 732, 840, 854, 915, 976, 1008, 1098, 1220, 1260, 1279, 1281, 1464, 1680, 1708, 1830, 2135, 2196, 2440, 2520, 2558, 2562, 2745, 2928, 3416, 3660, 3837, 3843, 4270, 4392, 4880, 5040, 5116, 5124, 5490, 6395, 6405, 6832, 7320, 7674, 7686, 8540, 8784, 8953, 10232, 10248, 10980, 11511, 12790, 12810, 14640, 15348, 15372, 17080, 17906, 19185, 19215, 20464, 20496, 21960, 23022, 25580, 25620, 26859, 30696, 30744, 34160, 35812, 38370, 38430, 43920, 44765, 46044, 51160, 51240, 53718, 57555, 61392, 61488, 71624, 76740, 76860, 78019, 80577, 89530, 92088, 102320, 102480, 107436, 115110, 134295, 143248, 153480, 153720, 156038, 161154, 179060, 184176, 214872, 230220, 234057, 268590, 306960, 307440, 312076, 322308, 358120, 390095, 402885, 429744, 460440, 468114, 537180, 546133, 624152, 644616, 702171, 716240, 780190, 805770, 920880, 936228, 1074360, 1092266, 1170285, 1248304, 1289232, 1404342, 1560380, 1611540, 1638399, 1872456, 2148720, 2184532, 2340570, 2730665, 2808684, 3120760, 3223080, 3276798, 3510855, 3744912, 4369064, 4681140, 4915197, 5461330, 5617368, 6241520, 6446160, 6553596, 7021710, 8191995, 8738128, 9362280, 9830394, 10922660, 11234736, 13107192, 14043420, 16383990, 18724560, 19660788, 21845320, 24575985, 26214384, 28086840, 32767980, 39321576, 43690640, 49151970, 56173680, 65535960, 78643152, 98303940, 131071920, 196607880, 393215760]

約数ペア:

[(1, 393215760), (2, 196607880), (3, 131071920), (4, 98303940), (5, 78643152), (6, 65535960), (7, 56173680), (8, 49151970), (9, 43690640), (10, 39321576), (12, 32767980), (14, 28086840), (15, 26214384), (16, 24575985), (18, 21845320), (20, 19660788), (21, 18724560), (24, 16383990), (28, 14043420), (30, 13107192), (35, 11234736), (36, 10922660), (40, 9830394), (42, 9362280), (45, 8738128), (48, 8191995), (56, 7021710), (60, 6553596), (61, 6446160), (63, 6241520), (70, 5617368), (72, 5461330), (80, 4915197), (84, 4681140), (90, 4369064), (105, 3744912), (112, 3510855), (120, 3276798), (122, 3223080), (126, 3120760), (140, 2808684), (144, 2730665), (168, 2340570), (180, 2184532), (183, 2148720), (210, 1872456), (240, 1638399), (244, 1611540), (252, 1560380), (280, 1404342), (305, 1289232), (315, 1248304), (336, 1170285), (360, 1092266), (366, 1074360), (420, 936228), (427, 920880), (488, 805770), (504, 780190), (549, 716240), (560, 702171), (610, 644616), (630, 624152), (720, 546133), (732, 537180), (840, 468114), (854, 460440), (915, 429744), (976, 402885), (1008, 390095), (1098, 358120), (1220, 322308), (1260, 312076), (1279, 307440), (1281, 306960), (1464, 268590), (1680, 234057), (1708, 230220), (1830, 214872), (2135, 184176), (2196, 179060), (2440, 161154), (2520, 156038), (2558, 153720), (2562, 153480), (2745, 143248), (2928, 134295), (3416, 115110), (3660, 107436), (3837, 102480), (3843, 102320), (4270, 92088), (4392, 89530), (4880, 80577), (5040, 78019), (5116, 76860), (5124, 76740), (5490, 71624), (6395, 61488), (6405, 61392), (6832, 57555), (7320, 53718), (7674, 51240), (7686, 51160), (8540, 46044), (8784, 44765), (8953, 43920), (10232, 38430), (10248, 38370), (10980, 35812), (11511, 34160), (12790, 30744), (12810, 30696), (14640, 26859), (15348, 25620), (15372, 25580), (17080, 23022), (17906, 21960), (19185, 20496), (19215, 20464)]