1664635280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1493}}^1$

素因数の和:1705

約数の個数: 160

約数和(自身を含む): 4855189248

約数和(自身を除く): 3190553968

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 181, 220, 280, 308, 362, 385, 440, 560, 616, 724, 770, 880, 905, 1232, 1267, 1448, 1493, 1540, 1810, 1991, 2534, 2896, 2986, 3080, 3620, 3982, 5068, 5972, 6160, 6335, 7240, 7465, 7964, 9955, 10136, 10451, 11944, 12670, 13937, 14480, 14930, 15928, 16423, 19910, 20272, 20902, 23888, 25340, 27874, 29860, 31856, 32846, 39820, 41804, 50680, 52255, 55748, 59720, 65692, 69685, 79640, 82115, 83608, 101360, 104510, 111496, 114961, 119440, 131384, 139370, 159280, 164230, 167216, 209020, 222992, 229922, 262768, 270233, 278740, 328460, 418040, 459844, 540466, 557480, 574805, 656920, 836080, 919688, 1080932, 1114960, 1149610, 1313840, 1351165, 1839376, 1891631, 2161864, 2299220, 2702330, 2972563, 3783262, 4323728, 4598440, 5404660, 5945126, 7566524, 9196880, 9458155, 10809320, 11890252, 14862815, 15133048, 18916310, 20807941, 21618640, 23780504, 29725630, 30266096, 37832620, 41615882, 47561008, 59451260, 75665240, 83231764, 104039705, 118902520, 151330480, 166463528, 208079410, 237805040, 332927056, 416158820, 832317640, 1664635280]

約数ペア:

[(1, 1664635280), (2, 832317640), (4, 416158820), (5, 332927056), (7, 237805040), (8, 208079410), (10, 166463528), (11, 151330480), (14, 118902520), (16, 104039705), (20, 83231764), (22, 75665240), (28, 59451260), (35, 47561008), (40, 41615882), (44, 37832620), (55, 30266096), (56, 29725630), (70, 23780504), (77, 21618640), (80, 20807941), (88, 18916310), (110, 15133048), (112, 14862815), (140, 11890252), (154, 10809320), (176, 9458155), (181, 9196880), (220, 7566524), (280, 5945126), (308, 5404660), (362, 4598440), (385, 4323728), (440, 3783262), (560, 2972563), (616, 2702330), (724, 2299220), (770, 2161864), (880, 1891631), (905, 1839376), (1232, 1351165), (1267, 1313840), (1448, 1149610), (1493, 1114960), (1540, 1080932), (1810, 919688), (1991, 836080), (2534, 656920), (2896, 574805), (2986, 557480), (3080, 540466), (3620, 459844), (3982, 418040), (5068, 328460), (5972, 278740), (6160, 270233), (6335, 262768), (7240, 229922), (7465, 222992), (7964, 209020), (9955, 167216), (10136, 164230), (10451, 159280), (11944, 139370), (12670, 131384), (13937, 119440), (14480, 114961), (14930, 111496), (15928, 104510), (16423, 101360), (19910, 83608), (20272, 82115), (20902, 79640), (23888, 69685), (25340, 65692), (27874, 59720), (29860, 55748), (31856, 52255), (32846, 50680), (39820, 41804)]