139594240

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1813

約数の個数: 80

約数和(自身を含む): 345692160

約数和(自身を除く): 206097920

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, 1240, 1280, 1759, 1984, 2480, 2560, 3518, 3968, 4960, 7036, 7936, 8795, 9920, 14072, 15872, 17590, 19840, 28144, 35180, 39680, 54529, 56288, 70360, 79360, 109058, 112576, 140720, 218116, 225152, 272645, 281440, 436232, 450304, 545290, 562880, 872464, 900608, 1090580, 1125760, 1744928, 2181160, 2251520, 3489856, 4362320, 4503040, 6979712, 8724640, 13959424, 17449280, 27918848, 34898560, 69797120, 139594240]

約数ペア:

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