251189120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 256

約数和(自身を含む): 781401600

約数和(自身を除く): 530212480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 128, 130, 133, 140, 152, 160, 182, 190, 208, 224, 227, 247, 260, 266, 280, 304, 320, 364, 380, 416, 448, 454, 455, 494, 520, 532, 560, 608, 640, 665, 728, 760, 832, 896, 908, 910, 988, 1040, 1064, 1120, 1135, 1216, 1235, 1330, 1456, 1520, 1589, 1664, 1729, 1816, 1820, 1976, 2080, 2128, 2240, 2270, 2432, 2470, 2660, 2912, 2951, 3040, 3178, 3458, 3632, 3640, 3952, 4160, 4256, 4313, 4480, 4540, 4940, 5320, 5824, 5902, 6080, 6356, 6916, 7264, 7280, 7904, 7945, 8320, 8512, 8626, 8645, 9080, 9880, 10640, 11648, 11804, 12160, 12712, 13832, 14528, 14560, 14755, 15808, 15890, 17024, 17252, 17290, 18160, 19760, 20657, 21280, 21565, 23608, 25424, 27664, 29056, 29120, 29510, 30191, 31616, 31780, 34504, 34580, 36320, 39520, 41314, 42560, 43130, 47216, 50848, 55328, 56069, 58240, 59020, 60382, 63560, 69008, 69160, 72640, 79040, 82628, 85120, 86260, 94432, 101696, 103285, 110656, 112138, 118040, 120764, 127120, 138016, 138320, 145280, 150955, 158080, 165256, 172520, 188864, 203392, 206570, 221312, 224276, 236080, 241528, 254240, 276032, 276640, 280345, 301910, 330512, 345040, 377728, 392483, 413140, 448552, 472160, 483056, 508480, 552064, 553280, 560690, 603820, 661024, 690080, 784966, 826280, 897104, 944320, 966112, 1016960, 1106560, 1121380, 1207640, 1322048, 1380160, 1569932, 1652560, 1794208, 1888640, 1932224, 1962415, 2242760, 2415280, 2644096, 2760320, 3139864, 3305120, 3588416, 3864448, 3924830, 4485520, 4830560, 6279728, 6610240, 7176832, 7849660, 8971040, 9661120, 12559456, 13220480, 15699320, 17942080, 19322240, 25118912, 31398640, 35884160, 50237824, 62797280, 125594560, 251189120]

約数ペア:

[(1, 251189120), (2, 125594560), (4, 62797280), (5, 50237824), (7, 35884160), (8, 31398640), (10, 25118912), (13, 19322240), (14, 17942080), (16, 15699320), (19, 13220480), (20, 12559456), (26, 9661120), (28, 8971040), (32, 7849660), (35, 7176832), (38, 6610240), (40, 6279728), (52, 4830560), (56, 4485520), (64, 3924830), (65, 3864448), (70, 3588416), (76, 3305120), (80, 3139864), (91, 2760320), (95, 2644096), (104, 2415280), (112, 2242760), (128, 1962415), (130, 1932224), (133, 1888640), (140, 1794208), (152, 1652560), (160, 1569932), (182, 1380160), (190, 1322048), (208, 1207640), (224, 1121380), (227, 1106560), (247, 1016960), (260, 966112), (266, 944320), (280, 897104), (304, 826280), (320, 784966), (364, 690080), (380, 661024), (416, 603820), (448, 560690), (454, 553280), (455, 552064), (494, 508480), (520, 483056), (532, 472160), (560, 448552), (608, 413140), (640, 392483), (665, 377728), (728, 345040), (760, 330512), (832, 301910), (896, 280345), (908, 276640), (910, 276032), (988, 254240), (1040, 241528), (1064, 236080), (1120, 224276), (1135, 221312), (1216, 206570), (1235, 203392), (1330, 188864), (1456, 172520), (1520, 165256), (1589, 158080), (1664, 150955), (1729, 145280), (1816, 138320), (1820, 138016), (1976, 127120), (2080, 120764), (2128, 118040), (2240, 112138), (2270, 110656), (2432, 103285), (2470, 101696), (2660, 94432), (2912, 86260), (2951, 85120), (3040, 82628), (3178, 79040), (3458, 72640), (3632, 69160), (3640, 69008), (3952, 63560), (4160, 60382), (4256, 59020), (4313, 58240), (4480, 56069), (4540, 55328), (4940, 50848), (5320, 47216), (5824, 43130), (5902, 42560), (6080, 41314), (6356, 39520), (6916, 36320), (7264, 34580), (7280, 34504), (7904, 31780), (7945, 31616), (8320, 30191), (8512, 29510), (8626, 29120), (8645, 29056), (9080, 27664), (9880, 25424), (10640, 23608), (11648, 21565), (11804, 21280), (12160, 20657), (12712, 19760), (13832, 18160), (14528, 17290), (14560, 17252), (14755, 17024), (15808, 15890)]