641207360

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{379}}^1$

素因数の和:724

約数の個数: 112

約数和(自身を含む): 1626168960

約数和(自身を除く): 984961600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 311, 320, 340, 379, 544, 622, 680, 758, 1088, 1244, 1360, 1516, 1555, 1895, 2488, 2720, 3032, 3110, 3790, 4976, 5287, 5440, 6064, 6220, 6443, 7580, 9952, 10574, 12128, 12440, 12886, 15160, 19904, 21148, 24256, 24880, 25772, 26435, 30320, 32215, 42296, 49760, 51544, 52870, 60640, 64430, 84592, 99520, 103088, 105740, 117869, 121280, 128860, 169184, 206176, 211480, 235738, 257720, 338368, 412352, 422960, 471476, 515440, 589345, 845920, 942952, 1030880, 1178690, 1691840, 1885904, 2003773, 2061760, 2357380, 3771808, 4007546, 4714760, 7543616, 8015092, 9429520, 10018865, 16030184, 18859040, 20037730, 32060368, 37718080, 40075460, 64120736, 80150920, 128241472, 160301840, 320603680, 641207360]

約数ペア:

[(1, 641207360), (2, 320603680), (4, 160301840), (5, 128241472), (8, 80150920), (10, 64120736), (16, 40075460), (17, 37718080), (20, 32060368), (32, 20037730), (34, 18859040), (40, 16030184), (64, 10018865), (68, 9429520), (80, 8015092), (85, 7543616), (136, 4714760), (160, 4007546), (170, 3771808), (272, 2357380), (311, 2061760), (320, 2003773), (340, 1885904), (379, 1691840), (544, 1178690), (622, 1030880), (680, 942952), (758, 845920), (1088, 589345), (1244, 515440), (1360, 471476), (1516, 422960), (1555, 412352), (1895, 338368), (2488, 257720), (2720, 235738), (3032, 211480), (3110, 206176), (3790, 169184), (4976, 128860), (5287, 121280), (5440, 117869), (6064, 105740), (6220, 103088), (6443, 99520), (7580, 84592), (9952, 64430), (10574, 60640), (12128, 52870), (12440, 51544), (12886, 49760), (15160, 42296), (19904, 32215), (21148, 30320), (24256, 26435), (24880, 25772)]