640228992

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{463}}^1$

素因数の和:770

約数の個数: 128

約数和(自身を含む): 1842005760

約数和(自身を除く): 1201776768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 277, 312, 384, 416, 463, 554, 624, 831, 832, 926, 1108, 1248, 1389, 1662, 1664, 1852, 2216, 2496, 2778, 3324, 3601, 3704, 4432, 4992, 5556, 6019, 6648, 7202, 7408, 8864, 10803, 11112, 12038, 13296, 14404, 14816, 17728, 18057, 21606, 22224, 24076, 26592, 28808, 29632, 35456, 36114, 43212, 44448, 48152, 53184, 57616, 59264, 72228, 86424, 88896, 96304, 106368, 115232, 128251, 144456, 172848, 177792, 192608, 230464, 256502, 288912, 345696, 384753, 385216, 460928, 513004, 577824, 691392, 769506, 770432, 1026008, 1155648, 1382784, 1539012, 1667263, 2052016, 2311296, 3078024, 3334526, 4104032, 5001789, 6156048, 6669052, 8208064, 10003578, 12312096, 13338104, 16416128, 20007156, 24624192, 26676208, 40014312, 49248384, 53352416, 80028624, 106704832, 160057248, 213409664, 320114496, 640228992]

約数ペア:

[(1, 640228992), (2, 320114496), (3, 213409664), (4, 160057248), (6, 106704832), (8, 80028624), (12, 53352416), (13, 49248384), (16, 40014312), (24, 26676208), (26, 24624192), (32, 20007156), (39, 16416128), (48, 13338104), (52, 12312096), (64, 10003578), (78, 8208064), (96, 6669052), (104, 6156048), (128, 5001789), (156, 4104032), (192, 3334526), (208, 3078024), (277, 2311296), (312, 2052016), (384, 1667263), (416, 1539012), (463, 1382784), (554, 1155648), (624, 1026008), (831, 770432), (832, 769506), (926, 691392), (1108, 577824), (1248, 513004), (1389, 460928), (1662, 385216), (1664, 384753), (1852, 345696), (2216, 288912), (2496, 256502), (2778, 230464), (3324, 192608), (3601, 177792), (3704, 172848), (4432, 144456), (4992, 128251), (5556, 115232), (6019, 106368), (6648, 96304), (7202, 88896), (7408, 86424), (8864, 72228), (10803, 59264), (11112, 57616), (12038, 53184), (13296, 48152), (14404, 44448), (14816, 43212), (17728, 36114), (18057, 35456), (21606, 29632), (22224, 28808), (24076, 26592)]