644557368

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:379

約数の個数: 256

約数和(自身を含む): 2136960000

約数和(自身を除く): 1492402632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 49, 52, 56, 57, 76, 78, 84, 91, 98, 104, 114, 133, 147, 152, 156, 168, 182, 196, 228, 247, 266, 273, 294, 312, 317, 343, 364, 392, 399, 456, 494, 532, 546, 588, 634, 637, 686, 728, 741, 798, 931, 951, 988, 1029, 1064, 1092, 1176, 1268, 1274, 1372, 1482, 1596, 1729, 1862, 1902, 1911, 1976, 2058, 2184, 2219, 2536, 2548, 2744, 2793, 2964, 3192, 3458, 3724, 3804, 3822, 4116, 4121, 4438, 4459, 5096, 5187, 5586, 5928, 6023, 6517, 6657, 6916, 7448, 7608, 7644, 8232, 8242, 8876, 8918, 10374, 11172, 12046, 12103, 12363, 13034, 13314, 13377, 13832, 15288, 15533, 16484, 17752, 17836, 18069, 19551, 20748, 22344, 24092, 24206, 24726, 26068, 26628, 26754, 28847, 31066, 32968, 35672, 36138, 36309, 39102, 41496, 42161, 46599, 48184, 48412, 49452, 52136, 53256, 53508, 57694, 62132, 72276, 72618, 78204, 78299, 84322, 84721, 86541, 93198, 96824, 98904, 107016, 108731, 115388, 124264, 126483, 144552, 145236, 156408, 156598, 168644, 169442, 173082, 186396, 201929, 217462, 230776, 234897, 252966, 254163, 290472, 295127, 313196, 326193, 337288, 338884, 346164, 372792, 403858, 434924, 469794, 505932, 508326, 548093, 590254, 605787, 626392, 652386, 677768, 692328, 807716, 869848, 885381, 939588, 1011864, 1016652, 1096186, 1180508, 1211574, 1304772, 1413503, 1615432, 1644279, 1770762, 1879176, 2033304, 2065889, 2192372, 2361016, 2423148, 2609544, 2827006, 3288558, 3541524, 3836651, 4131778, 4240509, 4384744, 4846296, 5654012, 6197667, 6577116, 7083048, 7673302, 8263556, 8481018, 11308024, 11509953, 12395334, 13154232, 15346604, 16527112, 16962036, 23019906, 24790668, 26856557, 30693208, 33924072, 46039812, 49581336, 53713114, 80569671, 92079624, 107426228, 161139342, 214852456, 322278684, 644557368]

約数ペア:

[(1, 644557368), (2, 322278684), (3, 214852456), (4, 161139342), (6, 107426228), (7, 92079624), (8, 80569671), (12, 53713114), (13, 49581336), (14, 46039812), (19, 33924072), (21, 30693208), (24, 26856557), (26, 24790668), (28, 23019906), (38, 16962036), (39, 16527112), (42, 15346604), (49, 13154232), (52, 12395334), (56, 11509953), (57, 11308024), (76, 8481018), (78, 8263556), (84, 7673302), (91, 7083048), (98, 6577116), (104, 6197667), (114, 5654012), (133, 4846296), (147, 4384744), (152, 4240509), (156, 4131778), (168, 3836651), (182, 3541524), (196, 3288558), (228, 2827006), (247, 2609544), (266, 2423148), (273, 2361016), (294, 2192372), (312, 2065889), (317, 2033304), (343, 1879176), (364, 1770762), (392, 1644279), (399, 1615432), (456, 1413503), (494, 1304772), (532, 1211574), (546, 1180508), (588, 1096186), (634, 1016652), (637, 1011864), (686, 939588), (728, 885381), (741, 869848), (798, 807716), (931, 692328), (951, 677768), (988, 652386), (1029, 626392), (1064, 605787), (1092, 590254), (1176, 548093), (1268, 508326), (1274, 505932), (1372, 469794), (1482, 434924), (1596, 403858), (1729, 372792), (1862, 346164), (1902, 338884), (1911, 337288), (1976, 326193), (2058, 313196), (2184, 295127), (2219, 290472), (2536, 254163), (2548, 252966), (2744, 234897), (2793, 230776), (2964, 217462), (3192, 201929), (3458, 186396), (3724, 173082), (3804, 169442), (3822, 168644), (4116, 156598), (4121, 156408), (4438, 145236), (4459, 144552), (5096, 126483), (5187, 124264), (5586, 115388), (5928, 108731), (6023, 107016), (6517, 98904), (6657, 96824), (6916, 93198), (7448, 86541), (7608, 84721), (7644, 84322), (8232, 78299), (8242, 78204), (8876, 72618), (8918, 72276), (10374, 62132), (11172, 57694), (12046, 53508), (12103, 53256), (12363, 52136), (13034, 49452), (13314, 48412), (13377, 48184), (13832, 46599), (15288, 42161), (15533, 41496), (16484, 39102), (17752, 36309), (17836, 36138), (18069, 35672), (19551, 32968), (20748, 31066), (22344, 28847), (24092, 26754), (24206, 26628), (24726, 26068)]