681434640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{811}}^1$

素因数の和:1222

約数の個数: 160

約数和(自身を含む): 2356099200

約数和(自身を除く): 1674664560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 389, 432, 540, 720, 778, 811, 1080, 1167, 1556, 1622, 1945, 2160, 2334, 2433, 3112, 3244, 3501, 3890, 4055, 4668, 4866, 5835, 6224, 6488, 7002, 7299, 7780, 8110, 9336, 9732, 10503, 11670, 12165, 12976, 14004, 14598, 15560, 16220, 17505, 18672, 19464, 21006, 21897, 23340, 24330, 28008, 29196, 31120, 32440, 35010, 36495, 38928, 42012, 43794, 46680, 48660, 52515, 56016, 58392, 64880, 70020, 72990, 84024, 87588, 93360, 97320, 105030, 109485, 116784, 140040, 145980, 168048, 175176, 194640, 210060, 218970, 280080, 291960, 315479, 350352, 420120, 437940, 583920, 630958, 840240, 875880, 946437, 1261916, 1577395, 1751760, 1892874, 2523832, 2839311, 3154790, 3785748, 4732185, 5047664, 5678622, 6309580, 7571496, 8517933, 9464370, 11357244, 12619160, 14196555, 15142992, 17035866, 18928740, 22714488, 25238320, 28393110, 34071732, 37857480, 42589665, 45428976, 56786220, 68143464, 75714960, 85179330, 113572440, 136286928, 170358660, 227144880, 340717320, 681434640]

約数ペア:

[(1, 681434640), (2, 340717320), (3, 227144880), (4, 170358660), (5, 136286928), (6, 113572440), (8, 85179330), (9, 75714960), (10, 68143464), (12, 56786220), (15, 45428976), (16, 42589665), (18, 37857480), (20, 34071732), (24, 28393110), (27, 25238320), (30, 22714488), (36, 18928740), (40, 17035866), (45, 15142992), (48, 14196555), (54, 12619160), (60, 11357244), (72, 9464370), (80, 8517933), (90, 7571496), (108, 6309580), (120, 5678622), (135, 5047664), (144, 4732185), (180, 3785748), (216, 3154790), (240, 2839311), (270, 2523832), (360, 1892874), (389, 1751760), (432, 1577395), (540, 1261916), (720, 946437), (778, 875880), (811, 840240), (1080, 630958), (1167, 583920), (1556, 437940), (1622, 420120), (1945, 350352), (2160, 315479), (2334, 291960), (2433, 280080), (3112, 218970), (3244, 210060), (3501, 194640), (3890, 175176), (4055, 168048), (4668, 145980), (4866, 140040), (5835, 116784), (6224, 109485), (6488, 105030), (7002, 97320), (7299, 93360), (7780, 87588), (8110, 84024), (9336, 72990), (9732, 70020), (10503, 64880), (11670, 58392), (12165, 56016), (12976, 52515), (14004, 48660), (14598, 46680), (15560, 43794), (16220, 42012), (17505, 38928), (18672, 36495), (19464, 35010), (21006, 32440), (21897, 31120), (23340, 29196), (24330, 28008)]