389778240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 224

約数和(自身を含む): 1310883840

約数和(自身を除く): 921105600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 127, 138, 139, 160, 184, 192, 230, 240, 254, 276, 278, 320, 345, 368, 381, 417, 460, 480, 508, 552, 556, 635, 690, 695, 736, 762, 834, 920, 960, 1016, 1104, 1112, 1270, 1380, 1390, 1472, 1524, 1668, 1840, 1905, 2032, 2085, 2208, 2224, 2540, 2760, 2780, 2921, 3048, 3197, 3336, 3680, 3810, 4064, 4170, 4416, 4448, 5080, 5520, 5560, 5842, 6096, 6394, 6672, 7360, 7620, 8128, 8340, 8763, 8896, 9591, 10160, 11040, 11120, 11684, 12192, 12788, 13344, 14605, 15240, 15985, 16680, 17526, 17653, 19182, 20320, 22080, 22240, 23368, 24384, 25576, 26688, 29210, 30480, 31970, 33360, 35052, 35306, 38364, 40640, 43815, 44480, 46736, 47955, 51152, 52959, 58420, 60960, 63940, 66720, 70104, 70612, 76728, 87630, 88265, 93472, 95910, 102304, 105918, 116840, 121920, 127880, 133440, 140208, 141224, 153456, 175260, 176530, 186944, 191820, 204608, 211836, 233680, 255760, 264795, 280416, 282448, 306912, 350520, 353060, 383640, 406019, 423672, 467360, 511520, 529590, 560832, 564896, 613824, 701040, 706120, 767280, 812038, 847344, 934720, 1023040, 1059180, 1129792, 1218057, 1402080, 1412240, 1534560, 1624076, 1694688, 2030095, 2118360, 2436114, 2804160, 2824480, 3069120, 3248152, 3389376, 4060190, 4236720, 4872228, 5648960, 6090285, 6496304, 8120380, 8473440, 9744456, 12180570, 12992608, 16240760, 16946880, 19488912, 24361140, 25985216, 32481520, 38977824, 48722280, 64963040, 77955648, 97444560, 129926080, 194889120, 389778240]

約数ペア:

[(1, 389778240), (2, 194889120), (3, 129926080), (4, 97444560), (5, 77955648), (6, 64963040), (8, 48722280), (10, 38977824), (12, 32481520), (15, 25985216), (16, 24361140), (20, 19488912), (23, 16946880), (24, 16240760), (30, 12992608), (32, 12180570), (40, 9744456), (46, 8473440), (48, 8120380), (60, 6496304), (64, 6090285), (69, 5648960), (80, 4872228), (92, 4236720), (96, 4060190), (115, 3389376), (120, 3248152), (127, 3069120), (138, 2824480), (139, 2804160), (160, 2436114), (184, 2118360), (192, 2030095), (230, 1694688), (240, 1624076), (254, 1534560), (276, 1412240), (278, 1402080), (320, 1218057), (345, 1129792), (368, 1059180), (381, 1023040), (417, 934720), (460, 847344), (480, 812038), (508, 767280), (552, 706120), (556, 701040), (635, 613824), (690, 564896), (695, 560832), (736, 529590), (762, 511520), (834, 467360), (920, 423672), (960, 406019), (1016, 383640), (1104, 353060), (1112, 350520), (1270, 306912), (1380, 282448), (1390, 280416), (1472, 264795), (1524, 255760), (1668, 233680), (1840, 211836), (1905, 204608), (2032, 191820), (2085, 186944), (2208, 176530), (2224, 175260), (2540, 153456), (2760, 141224), (2780, 140208), (2921, 133440), (3048, 127880), (3197, 121920), (3336, 116840), (3680, 105918), (3810, 102304), (4064, 95910), (4170, 93472), (4416, 88265), (4448, 87630), (5080, 76728), (5520, 70612), (5560, 70104), (5842, 66720), (6096, 63940), (6394, 60960), (6672, 58420), (7360, 52959), (7620, 51152), (8128, 47955), (8340, 46736), (8763, 44480), (8896, 43815), (9591, 40640), (10160, 38364), (11040, 35306), (11120, 35052), (11684, 33360), (12192, 31970), (12788, 30480), (13344, 29210), (14605, 26688), (15240, 25576), (15985, 24384), (16680, 23368), (17526, 22240), (17653, 22080), (19182, 20320)]