279188480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1815

約数の個数: 88

約数和(自身を含む): 691722240

約数和(自身を除く): 412533760

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, 1759, 1984, 2480, 2560, 3518, 3968, 4960, 5120, 7036, 7936, 8795, 9920, 14072, 15872, 17590, 19840, 28144, 31744, 35180, 39680, 54529, 56288, 70360, 79360, 109058, 112576, 140720, 158720, 218116, 225152, 272645, 281440, 436232, 450304, 545290, 562880, 872464, 900608, 1090580, 1125760, 1744928, 1801216, 2181160, 2251520, 3489856, 4362320, 4503040, 6979712, 8724640, 9006080, 13959424, 17449280, 27918848, 34898560, 55837696, 69797120, 139594240, 279188480]

約数ペア:

[(1, 279188480), (2, 139594240), (4, 69797120), (5, 55837696), (8, 34898560), (10, 27918848), (16, 17449280), (20, 13959424), (31, 9006080), (32, 8724640), (40, 6979712), (62, 4503040), (64, 4362320), (80, 3489856), (124, 2251520), (128, 2181160), (155, 1801216), (160, 1744928), (248, 1125760), (256, 1090580), (310, 900608), (320, 872464), (496, 562880), (512, 545290), (620, 450304), (640, 436232), (992, 281440), (1024, 272645), (1240, 225152), (1280, 218116), (1759, 158720), (1984, 140720), (2480, 112576), (2560, 109058), (3518, 79360), (3968, 70360), (4960, 56288), (5120, 54529), (7036, 39680), (7936, 35180), (8795, 31744), (9920, 28144), (14072, 19840), (15872, 17590)]