320465824

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 741920256

約数和(自身を除く): 421454432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 131, 134, 163, 224, 262, 268, 326, 469, 524, 536, 652, 917, 938, 1048, 1072, 1141, 1304, 1834, 1876, 2096, 2144, 2282, 2608, 3668, 3752, 4192, 4564, 5216, 7336, 7504, 8777, 9128, 10921, 14672, 15008, 17554, 18256, 21353, 21842, 29344, 35108, 36512, 42706, 43684, 61439, 70216, 76447, 85412, 87368, 122878, 140432, 149471, 152894, 170824, 174736, 245756, 280864, 298942, 305788, 341648, 349472, 491512, 597884, 611576, 683296, 983024, 1195768, 1223152, 1430651, 1966048, 2391536, 2446304, 2861302, 4783072, 5722604, 10014557, 11445208, 20029114, 22890416, 40058228, 45780832, 80116456, 160232912, 320465824]

約数ペア:

[(1, 320465824), (2, 160232912), (4, 80116456), (7, 45780832), (8, 40058228), (14, 22890416), (16, 20029114), (28, 11445208), (32, 10014557), (56, 5722604), (67, 4783072), (112, 2861302), (131, 2446304), (134, 2391536), (163, 1966048), (224, 1430651), (262, 1223152), (268, 1195768), (326, 983024), (469, 683296), (524, 611576), (536, 597884), (652, 491512), (917, 349472), (938, 341648), (1048, 305788), (1072, 298942), (1141, 280864), (1304, 245756), (1834, 174736), (1876, 170824), (2096, 152894), (2144, 149471), (2282, 140432), (2608, 122878), (3668, 87368), (3752, 85412), (4192, 76447), (4564, 70216), (5216, 61439), (7336, 43684), (7504, 42706), (8777, 36512), (9128, 35108), (10921, 29344), (14672, 21842), (15008, 21353), (17554, 18256)]