256181760

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11119}}^1$

素因数の和:11148

約数の個数: 120

約数和(自身を含む): 887309280

約数和(自身を除く): 631127520

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, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11119, 11520, 22238, 23040, 33357, 44476, 55595, 66714, 88952, 100071, 111190, 133428, 166785, 177904, 200142, 222380, 266856, 333570, 355808, 400284, 444760, 500355, 533712, 667140, 711616, 800568, 889520, 1000710, 1067424, 1334280, 1423232, 1601136, 1779040, 2001420, 2134848, 2668560, 2846464, 3202272, 3558080, 4002840, 4269696, 5337120, 5692928, 6404544, 7116160, 8005680, 8539392, 10674240, 12809088, 14232320, 16011360, 17078784, 21348480, 25618176, 28464640, 32022720, 42696960, 51236352, 64045440, 85393920, 128090880, 256181760]

約数ペア:

[(1, 256181760), (2, 128090880), (3, 85393920), (4, 64045440), (5, 51236352), (6, 42696960), (8, 32022720), (9, 28464640), (10, 25618176), (12, 21348480), (15, 17078784), (16, 16011360), (18, 14232320), (20, 12809088), (24, 10674240), (30, 8539392), (32, 8005680), (36, 7116160), (40, 6404544), (45, 5692928), (48, 5337120), (60, 4269696), (64, 4002840), (72, 3558080), (80, 3202272), (90, 2846464), (96, 2668560), (120, 2134848), (128, 2001420), (144, 1779040), (160, 1601136), (180, 1423232), (192, 1334280), (240, 1067424), (256, 1000710), (288, 889520), (320, 800568), (360, 711616), (384, 667140), (480, 533712), (512, 500355), (576, 444760), (640, 400284), (720, 355808), (768, 333570), (960, 266856), (1152, 222380), (1280, 200142), (1440, 177904), (1536, 166785), (1920, 133428), (2304, 111190), (2560, 100071), (2880, 88952), (3840, 66714), (4608, 55595), (5760, 44476), (7680, 33357), (11119, 23040), (11520, 22238)]