278848080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:994

約数の個数: 240

約数和(自身を含む): 1088989824

約数和(自身を除く): 810141744

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, 907, 915, 976, 1008, 1098, 1220, 1260, 1281, 1464, 1680, 1708, 1814, 1830, 2135, 2196, 2440, 2520, 2562, 2721, 2745, 2928, 3416, 3628, 3660, 3843, 4270, 4392, 4535, 4880, 5040, 5124, 5442, 5490, 6349, 6405, 6832, 7256, 7320, 7686, 8163, 8540, 8784, 9070, 10248, 10884, 10980, 12698, 12810, 13605, 14512, 14640, 15372, 16326, 17080, 18140, 19047, 19215, 20496, 21768, 21960, 25396, 25620, 27210, 30744, 31745, 32652, 34160, 36280, 38094, 38430, 40815, 43536, 43920, 50792, 51240, 54420, 55327, 57141, 61488, 63490, 65304, 72560, 76188, 76860, 81630, 95235, 101584, 102480, 108840, 110654, 114282, 126980, 130608, 152376, 153720, 163260, 165981, 190470, 217680, 221308, 228564, 253960, 276635, 285705, 304752, 307440, 326520, 331962, 380940, 387289, 442616, 457128, 497943, 507920, 553270, 571410, 653040, 663924, 761880, 774578, 829905, 885232, 914256, 995886, 1106540, 1142820, 1161867, 1327848, 1523760, 1549156, 1659810, 1936445, 1991772, 2213080, 2285640, 2323734, 2489715, 2655696, 3098312, 3319620, 3485601, 3872890, 3983544, 4426160, 4571280, 4647468, 4979430, 5809335, 6196624, 6639240, 6971202, 7745780, 7967088, 9294936, 9958860, 11618670, 13278480, 13942404, 15491560, 17428005, 18589872, 19917720, 23237340, 27884808, 30983120, 34856010, 39835440, 46474680, 55769616, 69712020, 92949360, 139424040, 278848080]

約数ペア:

[(1, 278848080), (2, 139424040), (3, 92949360), (4, 69712020), (5, 55769616), (6, 46474680), (7, 39835440), (8, 34856010), (9, 30983120), (10, 27884808), (12, 23237340), (14, 19917720), (15, 18589872), (16, 17428005), (18, 15491560), (20, 13942404), (21, 13278480), (24, 11618670), (28, 9958860), (30, 9294936), (35, 7967088), (36, 7745780), (40, 6971202), (42, 6639240), (45, 6196624), (48, 5809335), (56, 4979430), (60, 4647468), (61, 4571280), (63, 4426160), (70, 3983544), (72, 3872890), (80, 3485601), (84, 3319620), (90, 3098312), (105, 2655696), (112, 2489715), (120, 2323734), (122, 2285640), (126, 2213080), (140, 1991772), (144, 1936445), (168, 1659810), (180, 1549156), (183, 1523760), (210, 1327848), (240, 1161867), (244, 1142820), (252, 1106540), (280, 995886), (305, 914256), (315, 885232), (336, 829905), (360, 774578), (366, 761880), (420, 663924), (427, 653040), (488, 571410), (504, 553270), (549, 507920), (560, 497943), (610, 457128), (630, 442616), (720, 387289), (732, 380940), (840, 331962), (854, 326520), (907, 307440), (915, 304752), (976, 285705), (1008, 276635), (1098, 253960), (1220, 228564), (1260, 221308), (1281, 217680), (1464, 190470), (1680, 165981), (1708, 163260), (1814, 153720), (1830, 152376), (2135, 130608), (2196, 126980), (2440, 114282), (2520, 110654), (2562, 108840), (2721, 102480), (2745, 101584), (2928, 95235), (3416, 81630), (3628, 76860), (3660, 76188), (3843, 72560), (4270, 65304), (4392, 63490), (4535, 61488), (4880, 57141), (5040, 55327), (5124, 54420), (5442, 51240), (5490, 50792), (6349, 43920), (6405, 43536), (6832, 40815), (7256, 38430), (7320, 38094), (7686, 36280), (8163, 34160), (8540, 32652), (8784, 31745), (9070, 30744), (10248, 27210), (10884, 25620), (10980, 25396), (12698, 21960), (12810, 21768), (13605, 20496), (14512, 19215), (14640, 19047), (15372, 18140), (16326, 17080)]