90387230720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{142369}}^1$

素因数の和:142429

約数の個数: 104

約数和(自身を含む): 223901312640

約数和(自身を除く): 133514081920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2048, 2480, 2560, 3968, 4096, 4960, 5120, 7936, 9920, 10240, 15872, 19840, 20480, 31744, 39680, 63488, 79360, 126976, 142369, 158720, 284738, 317440, 569476, 634880, 711845, 1138952, 1423690, 2277904, 2847380, 4413439, 4555808, 5694760, 8826878, 9111616, 11389520, 17653756, 18223232, 22067195, 22779040, 35307512, 36446464, 44134390, 45558080, 70615024, 72892928, 88268780, 91116160, 141230048, 145785856, 176537560, 182232320, 282460096, 291571712, 353075120, 364464640, 564920192, 583143424, 706150240, 728929280, 1129840384, 1412300480, 1457858560, 2259680768, 2824600960, 2915717120, 4519361536, 5649201920, 9038723072, 11298403840, 18077446144, 22596807680, 45193615360, 90387230720]

約数ペア:

[(1, 90387230720), (2, 45193615360), (4, 22596807680), (5, 18077446144), (8, 11298403840), (10, 9038723072), (16, 5649201920), (20, 4519361536), (31, 2915717120), (32, 2824600960), (40, 2259680768), (62, 1457858560), (64, 1412300480), (80, 1129840384), (124, 728929280), (128, 706150240), (155, 583143424), (160, 564920192), (248, 364464640), (256, 353075120), (310, 291571712), (320, 282460096), (496, 182232320), (512, 176537560), (620, 145785856), (640, 141230048), (992, 91116160), (1024, 88268780), (1240, 72892928), (1280, 70615024), (1984, 45558080), (2048, 44134390), (2480, 36446464), (2560, 35307512), (3968, 22779040), (4096, 22067195), (4960, 18223232), (5120, 17653756), (7936, 11389520), (9920, 9111616), (10240, 8826878), (15872, 5694760), (19840, 4555808), (20480, 4413439), (31744, 2847380), (39680, 2277904), (63488, 1423690), (79360, 1138952), (126976, 711845), (142369, 634880), (158720, 569476), (284738, 317440)]