821638080

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31699}}^1$

素因数の和:31728

約数の個数: 140

約数和(自身を含む): 2922803400

約数和(自身を除く): 2101165320

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, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 25920, 31699, 63398, 95097, 126796, 158495, 190194, 253592, 285291, 316990, 380388, 475485, 507184, 570582, 633980, 760776, 855873, 950970, 1014368, 1141164, 1267960, 1426455, 1521552, 1711746, 1901940, 2028736, 2282328, 2535920, 2567619, 2852910, 3043104, 3423492, 3803880, 4279365, 4564656, 5071840, 5135238, 5705820, 6086208, 6846984, 7607760, 8558730, 9129312, 10143680, 10270476, 11411640, 12838095, 13693968, 15215520, 17117460, 18258624, 20540952, 22823280, 25676190, 27387936, 30431040, 34234920, 41081904, 45646560, 51352380, 54775872, 68469840, 82163808, 91293120, 102704760, 136939680, 164327616, 205409520, 273879360, 410819040, 821638080]

約数ペア:

[(1, 821638080), (2, 410819040), (3, 273879360), (4, 205409520), (5, 164327616), (6, 136939680), (8, 102704760), (9, 91293120), (10, 82163808), (12, 68469840), (15, 54775872), (16, 51352380), (18, 45646560), (20, 41081904), (24, 34234920), (27, 30431040), (30, 27387936), (32, 25676190), (36, 22823280), (40, 20540952), (45, 18258624), (48, 17117460), (54, 15215520), (60, 13693968), (64, 12838095), (72, 11411640), (80, 10270476), (81, 10143680), (90, 9129312), (96, 8558730), (108, 7607760), (120, 6846984), (135, 6086208), (144, 5705820), (160, 5135238), (162, 5071840), (180, 4564656), (192, 4279365), (216, 3803880), (240, 3423492), (270, 3043104), (288, 2852910), (320, 2567619), (324, 2535920), (360, 2282328), (405, 2028736), (432, 1901940), (480, 1711746), (540, 1521552), (576, 1426455), (648, 1267960), (720, 1141164), (810, 1014368), (864, 950970), (960, 855873), (1080, 760776), (1296, 633980), (1440, 570582), (1620, 507184), (1728, 475485), (2160, 380388), (2592, 316990), (2880, 285291), (3240, 253592), (4320, 190194), (5184, 158495), (6480, 126796), (8640, 95097), (12960, 63398), (25920, 31699)]