254716280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 256

約数和(自身を含む): 774144000

約数和(自身を除く): 519427720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 29, 35, 38, 40, 52, 56, 58, 65, 70, 76, 91, 95, 104, 116, 127, 130, 133, 140, 145, 152, 182, 190, 203, 232, 247, 254, 260, 266, 280, 290, 364, 377, 380, 406, 455, 494, 508, 520, 532, 551, 580, 635, 665, 728, 754, 760, 812, 889, 910, 988, 1015, 1016, 1064, 1102, 1160, 1235, 1270, 1330, 1508, 1624, 1651, 1729, 1778, 1820, 1885, 1976, 2030, 2204, 2413, 2470, 2540, 2639, 2660, 2755, 3016, 3302, 3458, 3556, 3640, 3683, 3770, 3857, 4060, 4408, 4445, 4826, 4940, 5080, 5278, 5320, 5510, 6604, 6916, 7112, 7163, 7366, 7540, 7714, 8120, 8255, 8645, 8890, 9652, 9880, 10556, 11020, 11557, 12065, 13195, 13208, 13832, 14326, 14732, 15080, 15428, 16510, 16891, 17290, 17780, 18415, 19285, 19304, 21112, 22040, 23114, 24130, 25781, 26390, 28652, 29464, 30856, 31369, 33020, 33782, 34580, 35560, 35815, 36830, 38570, 46228, 47879, 48260, 50141, 51562, 52780, 57304, 57785, 62738, 66040, 67564, 69160, 69977, 71630, 73660, 77140, 84455, 92456, 95758, 96520, 100282, 103124, 105560, 115570, 125476, 128905, 135128, 139954, 143260, 147320, 154280, 156845, 168910, 191516, 200564, 206248, 219583, 231140, 239395, 250705, 250952, 257810, 279908, 286520, 313690, 335153, 337820, 349885, 383032, 401128, 439166, 462280, 478790, 489839, 501410, 515620, 559816, 627380, 670306, 675640, 699770, 878332, 909701, 957580, 979678, 1002820, 1031240, 1097915, 1254760, 1340612, 1399540, 1675765, 1756664, 1819402, 1915160, 1959356, 2005640, 2195830, 2449195, 2681224, 2799080, 3351530, 3638804, 3918712, 4391660, 4548505, 4898390, 6367907, 6703060, 7277608, 8783320, 9097010, 9796780, 12735814, 13406120, 18194020, 19593560, 25471628, 31839535, 36388040, 50943256, 63679070, 127358140, 254716280]

約数ペア:

[(1, 254716280), (2, 127358140), (4, 63679070), (5, 50943256), (7, 36388040), (8, 31839535), (10, 25471628), (13, 19593560), (14, 18194020), (19, 13406120), (20, 12735814), (26, 9796780), (28, 9097010), (29, 8783320), (35, 7277608), (38, 6703060), (40, 6367907), (52, 4898390), (56, 4548505), (58, 4391660), (65, 3918712), (70, 3638804), (76, 3351530), (91, 2799080), (95, 2681224), (104, 2449195), (116, 2195830), (127, 2005640), (130, 1959356), (133, 1915160), (140, 1819402), (145, 1756664), (152, 1675765), (182, 1399540), (190, 1340612), (203, 1254760), (232, 1097915), (247, 1031240), (254, 1002820), (260, 979678), (266, 957580), (280, 909701), (290, 878332), (364, 699770), (377, 675640), (380, 670306), (406, 627380), (455, 559816), (494, 515620), (508, 501410), (520, 489839), (532, 478790), (551, 462280), (580, 439166), (635, 401128), (665, 383032), (728, 349885), (754, 337820), (760, 335153), (812, 313690), (889, 286520), (910, 279908), (988, 257810), (1015, 250952), (1016, 250705), (1064, 239395), (1102, 231140), (1160, 219583), (1235, 206248), (1270, 200564), (1330, 191516), (1508, 168910), (1624, 156845), (1651, 154280), (1729, 147320), (1778, 143260), (1820, 139954), (1885, 135128), (1976, 128905), (2030, 125476), (2204, 115570), (2413, 105560), (2470, 103124), (2540, 100282), (2639, 96520), (2660, 95758), (2755, 92456), (3016, 84455), (3302, 77140), (3458, 73660), (3556, 71630), (3640, 69977), (3683, 69160), (3770, 67564), (3857, 66040), (4060, 62738), (4408, 57785), (4445, 57304), (4826, 52780), (4940, 51562), (5080, 50141), (5278, 48260), (5320, 47879), (5510, 46228), (6604, 38570), (6916, 36830), (7112, 35815), (7163, 35560), (7366, 34580), (7540, 33782), (7714, 33020), (8120, 31369), (8255, 30856), (8645, 29464), (8890, 28652), (9652, 26390), (9880, 25781), (10556, 24130), (11020, 23114), (11557, 22040), (12065, 21112), (13195, 19304), (13208, 19285), (13832, 18415), (14326, 17780), (14732, 17290), (15080, 16891), (15428, 16510)]