640023072

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:451

約数の個数: 192

約数和(自身を含む): 1941698304

約数和(自身を除く): 1301675232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 97, 102, 104, 136, 156, 194, 204, 208, 221, 272, 291, 311, 312, 388, 408, 416, 442, 544, 582, 622, 624, 663, 776, 816, 884, 933, 1164, 1244, 1248, 1261, 1326, 1552, 1632, 1649, 1768, 1866, 2328, 2488, 2522, 2652, 3104, 3298, 3536, 3732, 3783, 4043, 4656, 4947, 4976, 5044, 5287, 5304, 6596, 7072, 7464, 7566, 8086, 9312, 9894, 9952, 10088, 10574, 10608, 12129, 13192, 14928, 15132, 15861, 16172, 19788, 20176, 21148, 21216, 21437, 24258, 26384, 29856, 30167, 30264, 31722, 32344, 39576, 40352, 42296, 42874, 48516, 52768, 60334, 60528, 63444, 64311, 64688, 68731, 79152, 84592, 85748, 90501, 97032, 120668, 121056, 126888, 128622, 129376, 137462, 158304, 169184, 171496, 181002, 194064, 206193, 241336, 253776, 257244, 274924, 342992, 362004, 388128, 392171, 412386, 482672, 507552, 512839, 514488, 549848, 685984, 724008, 784342, 824772, 965344, 1025678, 1028976, 1099696, 1176513, 1448016, 1538517, 1568684, 1649544, 2051356, 2057952, 2199392, 2353026, 2896032, 3077034, 3137368, 3299088, 4102712, 4706052, 6154068, 6274736, 6598176, 6666907, 8205424, 9412104, 12308136, 12549472, 13333814, 16410848, 18824208, 20000721, 24616272, 26667628, 37648416, 40001442, 49232544, 53335256, 80002884, 106670512, 160005768, 213341024, 320011536, 640023072]

約数ペア:

[(1, 640023072), (2, 320011536), (3, 213341024), (4, 160005768), (6, 106670512), (8, 80002884), (12, 53335256), (13, 49232544), (16, 40001442), (17, 37648416), (24, 26667628), (26, 24616272), (32, 20000721), (34, 18824208), (39, 16410848), (48, 13333814), (51, 12549472), (52, 12308136), (68, 9412104), (78, 8205424), (96, 6666907), (97, 6598176), (102, 6274736), (104, 6154068), (136, 4706052), (156, 4102712), (194, 3299088), (204, 3137368), (208, 3077034), (221, 2896032), (272, 2353026), (291, 2199392), (311, 2057952), (312, 2051356), (388, 1649544), (408, 1568684), (416, 1538517), (442, 1448016), (544, 1176513), (582, 1099696), (622, 1028976), (624, 1025678), (663, 965344), (776, 824772), (816, 784342), (884, 724008), (933, 685984), (1164, 549848), (1244, 514488), (1248, 512839), (1261, 507552), (1326, 482672), (1552, 412386), (1632, 392171), (1649, 388128), (1768, 362004), (1866, 342992), (2328, 274924), (2488, 257244), (2522, 253776), (2652, 241336), (3104, 206193), (3298, 194064), (3536, 181002), (3732, 171496), (3783, 169184), (4043, 158304), (4656, 137462), (4947, 129376), (4976, 128622), (5044, 126888), (5287, 121056), (5304, 120668), (6596, 97032), (7072, 90501), (7464, 85748), (7566, 84592), (8086, 79152), (9312, 68731), (9894, 64688), (9952, 64311), (10088, 63444), (10574, 60528), (10608, 60334), (12129, 52768), (13192, 48516), (14928, 42874), (15132, 42296), (15861, 40352), (16172, 39576), (19788, 32344), (20176, 31722), (21148, 30264), (21216, 30167), (21437, 29856), (24258, 26384)]