251331840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{21817}}^1$

素因数の和:21844

約数の個数: 108

約数和(自身を含む): 869621844

約数和(自身を除く): 618290004

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 21817, 43634, 65451, 87268, 109085, 130902, 174536, 196353, 218170, 261804, 327255, 349072, 392706, 436340, 523608, 654510, 698144, 785412, 872680, 981765, 1047216, 1309020, 1396288, 1570824, 1745360, 1963530, 2094432, 2618040, 2792576, 3141648, 3490720, 3927060, 4188864, 5236080, 5585152, 6283296, 6981440, 7854120, 8377728, 10472160, 12566592, 13962880, 15708240, 16755456, 20944320, 25133184, 27925760, 31416480, 41888640, 50266368, 62832960, 83777280, 125665920, 251331840]

約数ペア:

[(1, 251331840), (2, 125665920), (3, 83777280), (4, 62832960), (5, 50266368), (6, 41888640), (8, 31416480), (9, 27925760), (10, 25133184), (12, 20944320), (15, 16755456), (16, 15708240), (18, 13962880), (20, 12566592), (24, 10472160), (30, 8377728), (32, 7854120), (36, 6981440), (40, 6283296), (45, 5585152), (48, 5236080), (60, 4188864), (64, 3927060), (72, 3490720), (80, 3141648), (90, 2792576), (96, 2618040), (120, 2094432), (128, 1963530), (144, 1745360), (160, 1570824), (180, 1396288), (192, 1309020), (240, 1047216), (256, 981765), (288, 872680), (320, 785412), (360, 698144), (384, 654510), (480, 523608), (576, 436340), (640, 392706), (720, 349072), (768, 327255), (960, 261804), (1152, 218170), (1280, 196353), (1440, 174536), (1920, 130902), (2304, 109085), (2880, 87268), (3840, 65451), (5760, 43634), (11520, 21817)]