256815360

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{2477}}^1$

素因数の和:2510

約数の個数: 180

約数和(自身を含む): 919303308

約数和(自身を除く): 662487948

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2477, 2592, 2880, 3240, 3456, 3840, 4320, 4954, 5184, 5760, 6480, 6912, 7431, 8640, 9908, 10368, 11520, 12385, 12960, 14862, 17280, 19816, 20736, 22293, 24770, 25920, 29724, 34560, 37155, 39632, 44586, 49540, 51840, 59448, 66879, 74310, 79264, 89172, 99080, 103680, 111465, 118896, 133758, 148620, 158528, 178344, 198160, 200637, 222930, 237792, 267516, 297240, 317056, 334395, 356688, 396320, 401274, 445860, 475584, 535032, 594480, 634112, 668790, 713376, 792640, 802548, 891720, 951168, 1003185, 1070064, 1188960, 1337580, 1426752, 1585280, 1605096, 1783440, 1902336, 2006370, 2140128, 2377920, 2675160, 2853504, 3170560, 3210192, 3566880, 4012740, 4280256, 4755840, 5350320, 5707008, 6420384, 7133760, 8025480, 8560512, 9511680, 10700640, 12840768, 14267520, 16050960, 17121024, 21401280, 25681536, 28535040, 32101920, 42802560, 51363072, 64203840, 85605120, 128407680, 256815360]

約数ペア:

[(1, 256815360), (2, 128407680), (3, 85605120), (4, 64203840), (5, 51363072), (6, 42802560), (8, 32101920), (9, 28535040), (10, 25681536), (12, 21401280), (15, 17121024), (16, 16050960), (18, 14267520), (20, 12840768), (24, 10700640), (27, 9511680), (30, 8560512), (32, 8025480), (36, 7133760), (40, 6420384), (45, 5707008), (48, 5350320), (54, 4755840), (60, 4280256), (64, 4012740), (72, 3566880), (80, 3210192), (81, 3170560), (90, 2853504), (96, 2675160), (108, 2377920), (120, 2140128), (128, 2006370), (135, 1902336), (144, 1783440), (160, 1605096), (162, 1585280), (180, 1426752), (192, 1337580), (216, 1188960), (240, 1070064), (256, 1003185), (270, 951168), (288, 891720), (320, 802548), (324, 792640), (360, 713376), (384, 668790), (405, 634112), (432, 594480), (480, 535032), (540, 475584), (576, 445860), (640, 401274), (648, 396320), (720, 356688), (768, 334395), (810, 317056), (864, 297240), (960, 267516), (1080, 237792), (1152, 222930), (1280, 200637), (1296, 198160), (1440, 178344), (1620, 158528), (1728, 148620), (1920, 133758), (2160, 118896), (2304, 111465), (2477, 103680), (2592, 99080), (2880, 89172), (3240, 79264), (3456, 74310), (3840, 66879), (4320, 59448), (4954, 51840), (5184, 49540), (5760, 44586), (6480, 39632), (6912, 37155), (7431, 34560), (8640, 29724), (9908, 25920), (10368, 24770), (11520, 22293), (12385, 20736), (12960, 19816), (14862, 17280)]