440640144

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:542

約数の個数: 180

約数和(自身を含む): 1446346044

約数和(自身を除く): 1005705900

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 197, 252, 294, 317, 336, 392, 394, 441, 504, 588, 591, 634, 784, 788, 882, 951, 1008, 1176, 1182, 1268, 1379, 1576, 1764, 1773, 1902, 2219, 2352, 2364, 2536, 2758, 2853, 3152, 3528, 3546, 3804, 4137, 4438, 4728, 5072, 5516, 5706, 6657, 7056, 7092, 7608, 8274, 8876, 9456, 9653, 11032, 11412, 12411, 13314, 14184, 15216, 15533, 16548, 17752, 19306, 19971, 22064, 22824, 24822, 26628, 28368, 28959, 31066, 33096, 35504, 38612, 39942, 45648, 46599, 49644, 53256, 57918, 62132, 62449, 66192, 77224, 79884, 86877, 93198, 99288, 106512, 115836, 124264, 124898, 139797, 154448, 159768, 173754, 186396, 187347, 198576, 231672, 248528, 249796, 279594, 319536, 347508, 372792, 374694, 437143, 463344, 499592, 559188, 562041, 695016, 745584, 749388, 874286, 999184, 1118376, 1124082, 1311429, 1390032, 1498776, 1748572, 2236752, 2248164, 2622858, 2997552, 3060001, 3497144, 3934287, 4496328, 5245716, 6120002, 6994288, 7868574, 8992656, 9180003, 10491432, 12240004, 15737148, 18360006, 20982864, 24480008, 27540009, 31474296, 36720012, 48960016, 55080018, 62948592, 73440024, 110160036, 146880048, 220320072, 440640144]

約数ペア:

[(1, 440640144), (2, 220320072), (3, 146880048), (4, 110160036), (6, 73440024), (7, 62948592), (8, 55080018), (9, 48960016), (12, 36720012), (14, 31474296), (16, 27540009), (18, 24480008), (21, 20982864), (24, 18360006), (28, 15737148), (36, 12240004), (42, 10491432), (48, 9180003), (49, 8992656), (56, 7868574), (63, 6994288), (72, 6120002), (84, 5245716), (98, 4496328), (112, 3934287), (126, 3497144), (144, 3060001), (147, 2997552), (168, 2622858), (196, 2248164), (197, 2236752), (252, 1748572), (294, 1498776), (317, 1390032), (336, 1311429), (392, 1124082), (394, 1118376), (441, 999184), (504, 874286), (588, 749388), (591, 745584), (634, 695016), (784, 562041), (788, 559188), (882, 499592), (951, 463344), (1008, 437143), (1176, 374694), (1182, 372792), (1268, 347508), (1379, 319536), (1576, 279594), (1764, 249796), (1773, 248528), (1902, 231672), (2219, 198576), (2352, 187347), (2364, 186396), (2536, 173754), (2758, 159768), (2853, 154448), (3152, 139797), (3528, 124898), (3546, 124264), (3804, 115836), (4137, 106512), (4438, 99288), (4728, 93198), (5072, 86877), (5516, 79884), (5706, 77224), (6657, 66192), (7056, 62449), (7092, 62132), (7608, 57918), (8274, 53256), (8876, 49644), (9456, 46599), (9653, 45648), (11032, 39942), (11412, 38612), (12411, 35504), (13314, 33096), (14184, 31066), (15216, 28959), (15533, 28368), (16548, 26628), (17752, 24822), (19306, 22824), (19971, 22064)]