391978440

素因数分解:

$2^3\times 3^5\times 5^1\times 7^2\times {\mathrm{823}}^1$

素因数の和:863

約数の個数: 288

約数和(自身を含む): 1538671680

約数和(自身を除く): 1146693240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 243, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 486, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 823, 840, 882, 945, 972, 980, 1080, 1134, 1176, 1215, 1260, 1323, 1470, 1512, 1620, 1646, 1701, 1764, 1890, 1944, 1960, 2205, 2268, 2430, 2469, 2520, 2646, 2835, 2940, 3240, 3292, 3402, 3528, 3780, 3969, 4115, 4410, 4536, 4860, 4938, 5292, 5670, 5761, 5880, 6584, 6615, 6804, 7407, 7560, 7938, 8230, 8505, 8820, 9720, 9876, 10584, 11340, 11522, 11907, 12345, 13230, 13608, 14814, 15876, 16460, 17010, 17283, 17640, 19752, 19845, 22221, 22680, 23044, 23814, 24690, 26460, 28805, 29628, 31752, 32920, 34020, 34566, 37035, 39690, 40327, 44442, 46088, 47628, 49380, 51849, 52920, 57610, 59256, 59535, 66663, 68040, 69132, 74070, 79380, 80654, 86415, 88884, 95256, 98760, 103698, 111105, 115220, 119070, 120981, 133326, 138264, 148140, 155547, 158760, 161308, 172830, 177768, 199989, 201635, 207396, 222210, 230440, 238140, 241962, 259245, 266652, 296280, 311094, 322616, 333315, 345660, 362943, 399978, 403270, 414792, 444420, 466641, 476280, 483924, 518490, 533304, 604905, 622188, 666630, 691320, 725886, 777735, 799956, 806540, 888840, 933282, 967848, 999945, 1036980, 1088829, 1209810, 1244376, 1333260, 1399923, 1451772, 1555470, 1599912, 1613080, 1814715, 1866564, 1999890, 2073960, 2177658, 2333205, 2419620, 2666520, 2799846, 2903544, 3110940, 3266487, 3629430, 3733128, 3999780, 4355316, 4666410, 4839240, 5444145, 5599692, 6221880, 6532974, 6999615, 7258860, 7999560, 8710632, 9332820, 9799461, 10888290, 11199384, 13065948, 13999230, 14517720, 16332435, 18665640, 19598922, 21776580, 26131896, 27998460, 32664870, 39197844, 43553160, 48997305, 55996920, 65329740, 78395688, 97994610, 130659480, 195989220, 391978440]

約数ペア:

[(1, 391978440), (2, 195989220), (3, 130659480), (4, 97994610), (5, 78395688), (6, 65329740), (7, 55996920), (8, 48997305), (9, 43553160), (10, 39197844), (12, 32664870), (14, 27998460), (15, 26131896), (18, 21776580), (20, 19598922), (21, 18665640), (24, 16332435), (27, 14517720), (28, 13999230), (30, 13065948), (35, 11199384), (36, 10888290), (40, 9799461), (42, 9332820), (45, 8710632), (49, 7999560), (54, 7258860), (56, 6999615), (60, 6532974), (63, 6221880), (70, 5599692), (72, 5444145), (81, 4839240), (84, 4666410), (90, 4355316), (98, 3999780), (105, 3733128), (108, 3629430), (120, 3266487), (126, 3110940), (135, 2903544), (140, 2799846), (147, 2666520), (162, 2419620), (168, 2333205), (180, 2177658), (189, 2073960), (196, 1999890), (210, 1866564), (216, 1814715), (243, 1613080), (245, 1599912), (252, 1555470), (270, 1451772), (280, 1399923), (294, 1333260), (315, 1244376), (324, 1209810), (360, 1088829), (378, 1036980), (392, 999945), (405, 967848), (420, 933282), (441, 888840), (486, 806540), (490, 799956), (504, 777735), (540, 725886), (567, 691320), (588, 666630), (630, 622188), (648, 604905), (735, 533304), (756, 518490), (810, 483924), (823, 476280), (840, 466641), (882, 444420), (945, 414792), (972, 403270), (980, 399978), (1080, 362943), (1134, 345660), (1176, 333315), (1215, 322616), (1260, 311094), (1323, 296280), (1470, 266652), (1512, 259245), (1620, 241962), (1646, 238140), (1701, 230440), (1764, 222210), (1890, 207396), (1944, 201635), (1960, 199989), (2205, 177768), (2268, 172830), (2430, 161308), (2469, 158760), (2520, 155547), (2646, 148140), (2835, 138264), (2940, 133326), (3240, 120981), (3292, 119070), (3402, 115220), (3528, 111105), (3780, 103698), (3969, 98760), (4115, 95256), (4410, 88884), (4536, 86415), (4860, 80654), (4938, 79380), (5292, 74070), (5670, 69132), (5761, 68040), (5880, 66663), (6584, 59535), (6615, 59256), (6804, 57610), (7407, 52920), (7560, 51849), (7938, 49380), (8230, 47628), (8505, 46088), (8820, 44442), (9720, 40327), (9876, 39690), (10584, 37035), (11340, 34566), (11522, 34020), (11907, 32920), (12345, 31752), (13230, 29628), (13608, 28805), (14814, 26460), (15876, 24690), (16460, 23814), (17010, 23044), (17283, 22680), (17640, 22221), (19752, 19845)]