245315840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 288

約数和(自身を含む): 777047040

約数和(自身を除く): 531731200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 128, 131, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 256, 262, 266, 280, 304, 308, 320, 352, 380, 385, 418, 440, 448, 524, 532, 560, 608, 616, 640, 655, 665, 704, 760, 770, 836, 880, 896, 917, 1045, 1048, 1064, 1120, 1216, 1232, 1280, 1310, 1330, 1408, 1441, 1463, 1520, 1540, 1672, 1760, 1792, 1834, 2090, 2096, 2128, 2240, 2432, 2464, 2489, 2620, 2660, 2816, 2882, 2926, 3040, 3080, 3344, 3520, 3668, 4180, 4192, 4256, 4480, 4585, 4864, 4928, 4978, 5240, 5320, 5764, 5852, 6080, 6160, 6688, 7040, 7205, 7315, 7336, 8360, 8384, 8512, 8960, 9170, 9856, 9956, 10087, 10480, 10640, 11528, 11704, 12160, 12320, 12445, 13376, 14080, 14410, 14630, 14672, 16720, 16768, 17024, 17423, 18340, 19712, 19912, 20174, 20960, 21280, 23056, 23408, 24320, 24640, 24890, 26752, 27379, 28820, 29260, 29344, 33440, 33536, 34048, 34846, 36680, 39824, 40348, 41920, 42560, 46112, 46816, 49280, 49780, 50435, 53504, 54758, 57640, 58520, 58688, 66880, 69692, 73360, 79648, 80696, 83840, 85120, 87115, 92224, 93632, 98560, 99560, 100870, 109516, 115280, 117040, 117376, 133760, 136895, 139384, 146720, 159296, 161392, 167680, 170240, 174230, 184448, 187264, 191653, 199120, 201740, 219032, 230560, 234080, 234752, 267520, 273790, 278768, 293440, 318592, 322784, 348460, 368896, 374528, 383306, 398240, 403480, 438064, 461120, 468160, 547580, 557536, 586880, 637184, 645568, 696920, 766612, 796480, 806960, 876128, 922240, 936320, 958265, 1095160, 1115072, 1173760, 1291136, 1393840, 1533224, 1592960, 1613920, 1752256, 1844480, 1872640, 1916530, 2190320, 2230144, 2582272, 2787680, 3066448, 3185920, 3227840, 3504512, 3833060, 4380640, 4460288, 5575360, 6132896, 6455680, 7009024, 7666120, 8761280, 11150720, 12265792, 12911360, 15332240, 17522560, 22301440, 24531584, 30664480, 35045120, 49063168, 61328960, 122657920, 245315840]

約数ペア:

[(1, 245315840), (2, 122657920), (4, 61328960), (5, 49063168), (7, 35045120), (8, 30664480), (10, 24531584), (11, 22301440), (14, 17522560), (16, 15332240), (19, 12911360), (20, 12265792), (22, 11150720), (28, 8761280), (32, 7666120), (35, 7009024), (38, 6455680), (40, 6132896), (44, 5575360), (55, 4460288), (56, 4380640), (64, 3833060), (70, 3504512), (76, 3227840), (77, 3185920), (80, 3066448), (88, 2787680), (95, 2582272), (110, 2230144), (112, 2190320), (128, 1916530), (131, 1872640), (133, 1844480), (140, 1752256), (152, 1613920), (154, 1592960), (160, 1533224), (176, 1393840), (190, 1291136), (209, 1173760), (220, 1115072), (224, 1095160), (256, 958265), (262, 936320), (266, 922240), (280, 876128), (304, 806960), (308, 796480), (320, 766612), (352, 696920), (380, 645568), (385, 637184), (418, 586880), (440, 557536), (448, 547580), (524, 468160), (532, 461120), (560, 438064), (608, 403480), (616, 398240), (640, 383306), (655, 374528), (665, 368896), (704, 348460), (760, 322784), (770, 318592), (836, 293440), (880, 278768), (896, 273790), (917, 267520), (1045, 234752), (1048, 234080), (1064, 230560), (1120, 219032), (1216, 201740), (1232, 199120), (1280, 191653), (1310, 187264), (1330, 184448), (1408, 174230), (1441, 170240), (1463, 167680), (1520, 161392), (1540, 159296), (1672, 146720), (1760, 139384), (1792, 136895), (1834, 133760), (2090, 117376), (2096, 117040), (2128, 115280), (2240, 109516), (2432, 100870), (2464, 99560), (2489, 98560), (2620, 93632), (2660, 92224), (2816, 87115), (2882, 85120), (2926, 83840), (3040, 80696), (3080, 79648), (3344, 73360), (3520, 69692), (3668, 66880), (4180, 58688), (4192, 58520), (4256, 57640), (4480, 54758), (4585, 53504), (4864, 50435), (4928, 49780), (4978, 49280), (5240, 46816), (5320, 46112), (5764, 42560), (5852, 41920), (6080, 40348), (6160, 39824), (6688, 36680), (7040, 34846), (7205, 34048), (7315, 33536), (7336, 33440), (8360, 29344), (8384, 29260), (8512, 28820), (8960, 27379), (9170, 26752), (9856, 24890), (9956, 24640), (10087, 24320), (10480, 23408), (10640, 23056), (11528, 21280), (11704, 20960), (12160, 20174), (12320, 19912), (12445, 19712), (13376, 18340), (14080, 17423), (14410, 17024), (14630, 16768), (14672, 16720)]