69797120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1811

約数の個数: 72

約数和(自身を含む): 172677120

約数和(自身を除く): 102880000

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, 620, 640, 992, 1240, 1280, 1759, 1984, 2480, 3518, 3968, 4960, 7036, 7936, 8795, 9920, 14072, 17590, 19840, 28144, 35180, 39680, 54529, 56288, 70360, 109058, 112576, 140720, 218116, 225152, 272645, 281440, 436232, 450304, 545290, 562880, 872464, 1090580, 1125760, 1744928, 2181160, 2251520, 3489856, 4362320, 6979712, 8724640, 13959424, 17449280, 34898560, 69797120]

約数ペア:

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