1223934040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1085

約数の個数: 128

約数和(自身を含む): 3346012800

約数和(自身を除く): 2122078760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 389, 476, 595, 661, 680, 778, 952, 1190, 1322, 1556, 1945, 2380, 2644, 2723, 3112, 3305, 3890, 4627, 4760, 5288, 5446, 6610, 6613, 7780, 9254, 10892, 11237, 13220, 13226, 13615, 15560, 18508, 21784, 22474, 23135, 26440, 26452, 27230, 33065, 37016, 44948, 46270, 46291, 52904, 54460, 56185, 66130, 78659, 89896, 92540, 92582, 108920, 112370, 132260, 157318, 185080, 185164, 224740, 231455, 257129, 264520, 314636, 370328, 393295, 449480, 462910, 514258, 629272, 786590, 925820, 1028516, 1285645, 1573180, 1799903, 1851640, 2057032, 2571290, 3146360, 3599806, 4371193, 5142580, 7199612, 8742386, 8999515, 10285160, 14399224, 17484772, 17999030, 21855965, 30598351, 34969544, 35998060, 43711930, 61196702, 71996120, 87423860, 122393404, 152991755, 174847720, 244786808, 305983510, 611967020, 1223934040]

約数ペア:

[(1, 1223934040), (2, 611967020), (4, 305983510), (5, 244786808), (7, 174847720), (8, 152991755), (10, 122393404), (14, 87423860), (17, 71996120), (20, 61196702), (28, 43711930), (34, 35998060), (35, 34969544), (40, 30598351), (56, 21855965), (68, 17999030), (70, 17484772), (85, 14399224), (119, 10285160), (136, 8999515), (140, 8742386), (170, 7199612), (238, 5142580), (280, 4371193), (340, 3599806), (389, 3146360), (476, 2571290), (595, 2057032), (661, 1851640), (680, 1799903), (778, 1573180), (952, 1285645), (1190, 1028516), (1322, 925820), (1556, 786590), (1945, 629272), (2380, 514258), (2644, 462910), (2723, 449480), (3112, 393295), (3305, 370328), (3890, 314636), (4627, 264520), (4760, 257129), (5288, 231455), (5446, 224740), (6610, 185164), (6613, 185080), (7780, 157318), (9254, 132260), (10892, 112370), (11237, 108920), (13220, 92582), (13226, 92540), (13615, 89896), (15560, 78659), (18508, 66130), (21784, 56185), (22474, 54460), (23135, 52904), (26440, 46291), (26452, 46270), (27230, 44948), (33065, 37016)]