640550736

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3947}}^1$

素因数の和:3998

約数の個数: 180

約数和(自身を含む): 2176548192

約数和(自身を除く): 1535997456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 49, 56, 63, 69, 72, 84, 92, 98, 112, 126, 138, 144, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 336, 368, 392, 414, 441, 483, 504, 552, 588, 644, 784, 828, 882, 966, 1008, 1104, 1127, 1176, 1288, 1449, 1656, 1764, 1932, 2254, 2352, 2576, 2898, 3312, 3381, 3528, 3864, 3947, 4508, 5796, 6762, 7056, 7728, 7894, 9016, 10143, 11592, 11841, 13524, 15788, 18032, 20286, 23184, 23682, 27048, 27629, 31576, 35523, 40572, 47364, 54096, 55258, 63152, 71046, 81144, 82887, 90781, 94728, 110516, 142092, 162288, 165774, 181562, 189456, 193403, 221032, 248661, 272343, 284184, 331548, 363124, 386806, 442064, 497322, 544686, 568368, 580209, 635467, 663096, 726248, 773612, 817029, 994644, 1089372, 1160418, 1270934, 1326192, 1452496, 1547224, 1634058, 1740627, 1906401, 1989288, 2178744, 2320836, 2541868, 3094448, 3268116, 3481254, 3812802, 3978576, 4357488, 4448269, 4641672, 5083736, 5719203, 6536232, 6962508, 7625604, 8896538, 9283344, 10167472, 11438406, 13072464, 13344807, 13925016, 15251208, 17793076, 22876812, 26689614, 27850032, 30502416, 35586152, 40034421, 45753624, 53379228, 71172304, 80068842, 91507248, 106758456, 160137684, 213516912, 320275368, 640550736]

約数ペア:

[(1, 640550736), (2, 320275368), (3, 213516912), (4, 160137684), (6, 106758456), (7, 91507248), (8, 80068842), (9, 71172304), (12, 53379228), (14, 45753624), (16, 40034421), (18, 35586152), (21, 30502416), (23, 27850032), (24, 26689614), (28, 22876812), (36, 17793076), (42, 15251208), (46, 13925016), (48, 13344807), (49, 13072464), (56, 11438406), (63, 10167472), (69, 9283344), (72, 8896538), (84, 7625604), (92, 6962508), (98, 6536232), (112, 5719203), (126, 5083736), (138, 4641672), (144, 4448269), (147, 4357488), (161, 3978576), (168, 3812802), (184, 3481254), (196, 3268116), (207, 3094448), (252, 2541868), (276, 2320836), (294, 2178744), (322, 1989288), (336, 1906401), (368, 1740627), (392, 1634058), (414, 1547224), (441, 1452496), (483, 1326192), (504, 1270934), (552, 1160418), (588, 1089372), (644, 994644), (784, 817029), (828, 773612), (882, 726248), (966, 663096), (1008, 635467), (1104, 580209), (1127, 568368), (1176, 544686), (1288, 497322), (1449, 442064), (1656, 386806), (1764, 363124), (1932, 331548), (2254, 284184), (2352, 272343), (2576, 248661), (2898, 221032), (3312, 193403), (3381, 189456), (3528, 181562), (3864, 165774), (3947, 162288), (4508, 142092), (5796, 110516), (6762, 94728), (7056, 90781), (7728, 82887), (7894, 81144), (9016, 71046), (10143, 63152), (11592, 55258), (11841, 54096), (13524, 47364), (15788, 40572), (18032, 35523), (20286, 31576), (23184, 27629), (23682, 27048)]