289078720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 224

約数和(自身を含む): 852074496

約数和(自身を除く): 562995776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 64, 70, 80, 92, 112, 115, 124, 140, 155, 160, 161, 181, 184, 217, 224, 230, 248, 280, 310, 320, 322, 362, 368, 434, 448, 460, 496, 560, 620, 644, 713, 724, 736, 805, 868, 905, 920, 992, 1085, 1120, 1240, 1267, 1288, 1426, 1448, 1472, 1610, 1736, 1810, 1840, 1984, 2170, 2240, 2480, 2534, 2576, 2852, 2896, 3220, 3472, 3565, 3620, 3680, 4163, 4340, 4960, 4991, 5068, 5152, 5611, 5704, 5792, 6335, 6440, 6944, 7130, 7240, 7360, 8326, 8680, 9920, 9982, 10136, 10304, 11222, 11408, 11584, 12670, 12880, 13888, 14260, 14480, 16652, 17360, 19964, 20272, 20815, 22444, 22816, 24955, 25340, 25760, 28055, 28520, 28960, 29141, 33304, 34720, 39277, 39928, 40544, 41630, 44888, 45632, 49910, 50680, 51520, 56110, 57040, 57920, 58282, 66608, 69440, 78554, 79856, 81088, 83260, 89776, 99820, 101360, 112220, 114080, 116564, 129053, 133216, 145705, 157108, 159712, 166520, 179552, 196385, 199640, 202720, 224440, 228160, 233128, 258106, 266432, 291410, 314216, 319424, 333040, 359104, 392770, 399280, 405440, 448880, 466256, 516212, 582820, 628432, 645265, 666080, 785540, 798560, 897760, 903371, 932512, 1032424, 1165640, 1256864, 1290530, 1332160, 1571080, 1597120, 1795520, 1806742, 1865024, 2064848, 2331280, 2513728, 2581060, 3142160, 3613484, 4129696, 4516855, 4662560, 5162120, 6284320, 7226968, 8259392, 9033710, 9325120, 10324240, 12568640, 14453936, 18067420, 20648480, 28907872, 36134840, 41296960, 57815744, 72269680, 144539360, 289078720]

約数ペア:

[(1, 289078720), (2, 144539360), (4, 72269680), (5, 57815744), (7, 41296960), (8, 36134840), (10, 28907872), (14, 20648480), (16, 18067420), (20, 14453936), (23, 12568640), (28, 10324240), (31, 9325120), (32, 9033710), (35, 8259392), (40, 7226968), (46, 6284320), (56, 5162120), (62, 4662560), (64, 4516855), (70, 4129696), (80, 3613484), (92, 3142160), (112, 2581060), (115, 2513728), (124, 2331280), (140, 2064848), (155, 1865024), (160, 1806742), (161, 1795520), (181, 1597120), (184, 1571080), (217, 1332160), (224, 1290530), (230, 1256864), (248, 1165640), (280, 1032424), (310, 932512), (320, 903371), (322, 897760), (362, 798560), (368, 785540), (434, 666080), (448, 645265), (460, 628432), (496, 582820), (560, 516212), (620, 466256), (644, 448880), (713, 405440), (724, 399280), (736, 392770), (805, 359104), (868, 333040), (905, 319424), (920, 314216), (992, 291410), (1085, 266432), (1120, 258106), (1240, 233128), (1267, 228160), (1288, 224440), (1426, 202720), (1448, 199640), (1472, 196385), (1610, 179552), (1736, 166520), (1810, 159712), (1840, 157108), (1984, 145705), (2170, 133216), (2240, 129053), (2480, 116564), (2534, 114080), (2576, 112220), (2852, 101360), (2896, 99820), (3220, 89776), (3472, 83260), (3565, 81088), (3620, 79856), (3680, 78554), (4163, 69440), (4340, 66608), (4960, 58282), (4991, 57920), (5068, 57040), (5152, 56110), (5611, 51520), (5704, 50680), (5792, 49910), (6335, 45632), (6440, 44888), (6944, 41630), (7130, 40544), (7240, 39928), (7360, 39277), (8326, 34720), (8680, 33304), (9920, 29141), (9982, 28960), (10136, 28520), (10304, 28055), (11222, 25760), (11408, 25340), (11584, 24955), (12670, 22816), (12880, 22444), (13888, 20815), (14260, 20272), (14480, 19964), (16652, 17360)]