254245320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 384

約数和(自身を含む): 1010880000

約数和(自身を除く): 756634680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 49, 56, 58, 60, 63, 70, 71, 72, 84, 87, 90, 98, 105, 116, 120, 126, 140, 142, 145, 147, 168, 174, 180, 196, 203, 210, 213, 232, 245, 252, 261, 280, 284, 290, 294, 315, 343, 348, 355, 360, 392, 406, 420, 426, 435, 441, 490, 497, 504, 522, 568, 580, 588, 609, 630, 639, 686, 696, 710, 735, 812, 840, 852, 870, 882, 980, 994, 1015, 1029, 1044, 1065, 1160, 1176, 1218, 1260, 1278, 1305, 1372, 1420, 1421, 1470, 1491, 1624, 1704, 1715, 1740, 1764, 1827, 1960, 1988, 2030, 2058, 2059, 2088, 2130, 2205, 2436, 2485, 2520, 2556, 2610, 2744, 2840, 2842, 2940, 2982, 3045, 3087, 3195, 3430, 3479, 3480, 3528, 3654, 3976, 4060, 4116, 4118, 4260, 4263, 4410, 4473, 4872, 4970, 5112, 5145, 5220, 5684, 5880, 5964, 6090, 6174, 6177, 6390, 6860, 6958, 7105, 7308, 7455, 8120, 8232, 8236, 8520, 8526, 8820, 8946, 9135, 9940, 9947, 10290, 10295, 10437, 10440, 11368, 11928, 12180, 12348, 12354, 12780, 12789, 13720, 13916, 14210, 14413, 14616, 14910, 15435, 16472, 17052, 17395, 17640, 17892, 18270, 18531, 19880, 19894, 20580, 20590, 20874, 21315, 22365, 24353, 24360, 24696, 24708, 25560, 25578, 27832, 28420, 28826, 29820, 29841, 30870, 30885, 31311, 34104, 34790, 35784, 36540, 37062, 39788, 41160, 41180, 41748, 42630, 43239, 44730, 48706, 49416, 49735, 51156, 52185, 56840, 57652, 59640, 59682, 61740, 61770, 62622, 63945, 69580, 72065, 73059, 73080, 74124, 79576, 82360, 83496, 85260, 86478, 89460, 89523, 92655, 97412, 99470, 100891, 102312, 104370, 115304, 119364, 121765, 123480, 123540, 125244, 127890, 129717, 139160, 144130, 146118, 148248, 149205, 156555, 170520, 172956, 178920, 179046, 185310, 194824, 198940, 201782, 208740, 216195, 219177, 238728, 243530, 247080, 250488, 255780, 259434, 288260, 292236, 298410, 302673, 313110, 345912, 358092, 365295, 370620, 397880, 403564, 417480, 432390, 438354, 447615, 487060, 504455, 511560, 518868, 576520, 584472, 596820, 605346, 626220, 648585, 706237, 716184, 730590, 741240, 807128, 864780, 876708, 895230, 908019, 974120, 1008910, 1037736, 1095885, 1193640, 1210692, 1252440, 1297170, 1412474, 1461180, 1513365, 1729560, 1753416, 1790460, 1816038, 2017820, 2118711, 2191770, 2421384, 2594340, 2824948, 2922360, 3026730, 3531185, 3580920, 3632076, 4035640, 4237422, 4383540, 4540095, 5188680, 5649896, 6053460, 6356133, 7062370, 7264152, 8474844, 8767080, 9080190, 10593555, 12106920, 12712266, 14124740, 16949688, 18160380, 21187110, 25424532, 28249480, 31780665, 36320760, 42374220, 50849064, 63561330, 84748440, 127122660, 254245320]

約数ペア:

[(1, 254245320), (2, 127122660), (3, 84748440), (4, 63561330), (5, 50849064), (6, 42374220), (7, 36320760), (8, 31780665), (9, 28249480), (10, 25424532), (12, 21187110), (14, 18160380), (15, 16949688), (18, 14124740), (20, 12712266), (21, 12106920), (24, 10593555), (28, 9080190), (29, 8767080), (30, 8474844), (35, 7264152), (36, 7062370), (40, 6356133), (42, 6053460), (45, 5649896), (49, 5188680), (56, 4540095), (58, 4383540), (60, 4237422), (63, 4035640), (70, 3632076), (71, 3580920), (72, 3531185), (84, 3026730), (87, 2922360), (90, 2824948), (98, 2594340), (105, 2421384), (116, 2191770), (120, 2118711), (126, 2017820), (140, 1816038), (142, 1790460), (145, 1753416), (147, 1729560), (168, 1513365), (174, 1461180), (180, 1412474), (196, 1297170), (203, 1252440), (210, 1210692), (213, 1193640), (232, 1095885), (245, 1037736), (252, 1008910), (261, 974120), (280, 908019), (284, 895230), (290, 876708), (294, 864780), (315, 807128), (343, 741240), (348, 730590), (355, 716184), (360, 706237), (392, 648585), (406, 626220), (420, 605346), (426, 596820), (435, 584472), (441, 576520), (490, 518868), (497, 511560), (504, 504455), (522, 487060), (568, 447615), (580, 438354), (588, 432390), (609, 417480), (630, 403564), (639, 397880), (686, 370620), (696, 365295), (710, 358092), (735, 345912), (812, 313110), (840, 302673), (852, 298410), (870, 292236), (882, 288260), (980, 259434), (994, 255780), (1015, 250488), (1029, 247080), (1044, 243530), (1065, 238728), (1160, 219177), (1176, 216195), (1218, 208740), (1260, 201782), (1278, 198940), (1305, 194824), (1372, 185310), (1420, 179046), (1421, 178920), (1470, 172956), (1491, 170520), (1624, 156555), (1704, 149205), (1715, 148248), (1740, 146118), (1764, 144130), (1827, 139160), (1960, 129717), (1988, 127890), (2030, 125244), (2058, 123540), (2059, 123480), (2088, 121765), (2130, 119364), (2205, 115304), (2436, 104370), (2485, 102312), (2520, 100891), (2556, 99470), (2610, 97412), (2744, 92655), (2840, 89523), (2842, 89460), (2940, 86478), (2982, 85260), (3045, 83496), (3087, 82360), (3195, 79576), (3430, 74124), (3479, 73080), (3480, 73059), (3528, 72065), (3654, 69580), (3976, 63945), (4060, 62622), (4116, 61770), (4118, 61740), (4260, 59682), (4263, 59640), (4410, 57652), (4473, 56840), (4872, 52185), (4970, 51156), (5112, 49735), (5145, 49416), (5220, 48706), (5684, 44730), (5880, 43239), (5964, 42630), (6090, 41748), (6174, 41180), (6177, 41160), (6390, 39788), (6860, 37062), (6958, 36540), (7105, 35784), (7308, 34790), (7455, 34104), (8120, 31311), (8232, 30885), (8236, 30870), (8520, 29841), (8526, 29820), (8820, 28826), (8946, 28420), (9135, 27832), (9940, 25578), (9947, 25560), (10290, 24708), (10295, 24696), (10437, 24360), (10440, 24353), (11368, 22365), (11928, 21315), (12180, 20874), (12348, 20590), (12354, 20580), (12780, 19894), (12789, 19880), (13720, 18531), (13916, 18270), (14210, 17892), (14413, 17640), (14616, 17395), (14910, 17052), (15435, 16472)]