640997712

素因数分解:

$2^4\times 3^4\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:263

約数の個数: 200

約数和(自身を含む): 1928314080

約数和(自身を除く): 1287316368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 59, 72, 81, 83, 101, 108, 118, 144, 162, 166, 177, 202, 216, 236, 249, 303, 324, 332, 354, 404, 432, 472, 498, 531, 606, 648, 664, 708, 747, 808, 909, 944, 996, 1062, 1212, 1296, 1328, 1416, 1494, 1593, 1616, 1818, 1992, 2124, 2241, 2424, 2727, 2832, 2988, 3186, 3636, 3984, 4248, 4482, 4779, 4848, 4897, 5454, 5959, 5976, 6372, 6723, 7272, 8181, 8383, 8496, 8964, 9558, 9794, 10908, 11918, 11952, 12744, 13446, 14544, 14691, 16362, 16766, 17877, 17928, 19116, 19588, 21816, 23836, 25149, 25488, 26892, 29382, 32724, 33532, 35754, 35856, 38232, 39176, 43632, 44073, 47672, 50298, 53631, 53784, 58764, 65448, 67064, 71508, 75447, 76464, 78352, 88146, 95344, 100596, 107262, 107568, 117528, 130896, 132219, 134128, 143016, 150894, 160893, 176292, 201192, 214524, 226341, 235056, 264438, 286032, 301788, 321786, 352584, 396657, 402384, 429048, 452682, 482679, 494597, 528876, 603576, 643572, 679023, 705168, 793314, 858096, 905364, 965358, 989194, 1057752, 1207152, 1287144, 1358046, 1483791, 1586628, 1810728, 1930716, 1978388, 2115504, 2574288, 2716092, 2967582, 3173256, 3621456, 3861432, 3956776, 4451373, 5432184, 5935164, 6346512, 7722864, 7913552, 8902746, 10864368, 11870328, 13354119, 17805492, 23740656, 26708238, 35610984, 40062357, 53416476, 71221968, 80124714, 106832952, 160249428, 213665904, 320498856, 640997712]

約数ペア:

[(1, 640997712), (2, 320498856), (3, 213665904), (4, 160249428), (6, 106832952), (8, 80124714), (9, 71221968), (12, 53416476), (16, 40062357), (18, 35610984), (24, 26708238), (27, 23740656), (36, 17805492), (48, 13354119), (54, 11870328), (59, 10864368), (72, 8902746), (81, 7913552), (83, 7722864), (101, 6346512), (108, 5935164), (118, 5432184), (144, 4451373), (162, 3956776), (166, 3861432), (177, 3621456), (202, 3173256), (216, 2967582), (236, 2716092), (249, 2574288), (303, 2115504), (324, 1978388), (332, 1930716), (354, 1810728), (404, 1586628), (432, 1483791), (472, 1358046), (498, 1287144), (531, 1207152), (606, 1057752), (648, 989194), (664, 965358), (708, 905364), (747, 858096), (808, 793314), (909, 705168), (944, 679023), (996, 643572), (1062, 603576), (1212, 528876), (1296, 494597), (1328, 482679), (1416, 452682), (1494, 429048), (1593, 402384), (1616, 396657), (1818, 352584), (1992, 321786), (2124, 301788), (2241, 286032), (2424, 264438), (2727, 235056), (2832, 226341), (2988, 214524), (3186, 201192), (3636, 176292), (3984, 160893), (4248, 150894), (4482, 143016), (4779, 134128), (4848, 132219), (4897, 130896), (5454, 117528), (5959, 107568), (5976, 107262), (6372, 100596), (6723, 95344), (7272, 88146), (8181, 78352), (8383, 76464), (8496, 75447), (8964, 71508), (9558, 67064), (9794, 65448), (10908, 58764), (11918, 53784), (11952, 53631), (12744, 50298), (13446, 47672), (14544, 44073), (14691, 43632), (16362, 39176), (16766, 38232), (17877, 35856), (17928, 35754), (19116, 33532), (19588, 32724), (21816, 29382), (23836, 26892), (25149, 25488)]