320472544

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 144

約数和(自身を含む): 799787520

約数和(自身を除く): 479314976

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 49, 56, 62, 76, 98, 112, 124, 133, 152, 196, 217, 224, 248, 266, 304, 347, 392, 434, 496, 532, 589, 608, 694, 784, 868, 931, 992, 1064, 1178, 1388, 1519, 1568, 1736, 1862, 2128, 2356, 2429, 2776, 3038, 3472, 3724, 4123, 4256, 4712, 4858, 5552, 6076, 6593, 6944, 7448, 8246, 9424, 9716, 10757, 11104, 12152, 13186, 14896, 16492, 17003, 18848, 19432, 21514, 24304, 26372, 28861, 29792, 32984, 34006, 38864, 43028, 46151, 48608, 52744, 57722, 65968, 68012, 75299, 77728, 86056, 92302, 105488, 115444, 131936, 136024, 150598, 172112, 184604, 204383, 210976, 230888, 272048, 301196, 323057, 344224, 369208, 408766, 461776, 527093, 544096, 602392, 646114, 738416, 817532, 923552, 1054186, 1204784, 1292228, 1430681, 1476832, 1635064, 2108372, 2409568, 2584456, 2861362, 3270128, 4216744, 5168912, 5722724, 6540256, 8433488, 10014767, 10337824, 11445448, 16866976, 20029534, 22890896, 40059068, 45781792, 80118136, 160236272, 320472544]

約数ペア:

[(1, 320472544), (2, 160236272), (4, 80118136), (7, 45781792), (8, 40059068), (14, 22890896), (16, 20029534), (19, 16866976), (28, 11445448), (31, 10337824), (32, 10014767), (38, 8433488), (49, 6540256), (56, 5722724), (62, 5168912), (76, 4216744), (98, 3270128), (112, 2861362), (124, 2584456), (133, 2409568), (152, 2108372), (196, 1635064), (217, 1476832), (224, 1430681), (248, 1292228), (266, 1204784), (304, 1054186), (347, 923552), (392, 817532), (434, 738416), (496, 646114), (532, 602392), (589, 544096), (608, 527093), (694, 461776), (784, 408766), (868, 369208), (931, 344224), (992, 323057), (1064, 301196), (1178, 272048), (1388, 230888), (1519, 210976), (1568, 204383), (1736, 184604), (1862, 172112), (2128, 150598), (2356, 136024), (2429, 131936), (2776, 115444), (3038, 105488), (3472, 92302), (3724, 86056), (4123, 77728), (4256, 75299), (4712, 68012), (4858, 65968), (5552, 57722), (6076, 52744), (6593, 48608), (6944, 46151), (7448, 43028), (8246, 38864), (9424, 34006), (9716, 32984), (10757, 29792), (11104, 28861), (12152, 26372), (13186, 24304), (14896, 21514), (16492, 19432), (17003, 18848)]