643990032

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:646

約数の個数: 240

約数和(自身を含む): 2187574272

約数和(自身を除く): 1543584240

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 37, 42, 48, 56, 62, 63, 72, 74, 84, 93, 111, 112, 124, 126, 144, 148, 168, 186, 217, 222, 248, 252, 259, 279, 296, 333, 336, 372, 434, 444, 496, 504, 518, 557, 558, 592, 651, 666, 744, 777, 868, 888, 1008, 1036, 1114, 1116, 1147, 1302, 1332, 1488, 1554, 1671, 1736, 1776, 1953, 2072, 2228, 2232, 2294, 2331, 2604, 2664, 3108, 3342, 3441, 3472, 3899, 3906, 4144, 4456, 4464, 4588, 4662, 5013, 5208, 5328, 6216, 6684, 6882, 7798, 7812, 8029, 8912, 9176, 9324, 10026, 10323, 10416, 11697, 12432, 13368, 13764, 15596, 15624, 16058, 17267, 18352, 18648, 20052, 20609, 20646, 23394, 24087, 26736, 27528, 31192, 31248, 32116, 34534, 35091, 37296, 40104, 41218, 41292, 46788, 48174, 51801, 55056, 61827, 62384, 64232, 69068, 70182, 72261, 80208, 82436, 82584, 93576, 96348, 103602, 120869, 123654, 128464, 138136, 140364, 144263, 144522, 155403, 164872, 165168, 185481, 187152, 192696, 207204, 241738, 247308, 276272, 280728, 288526, 289044, 310806, 329744, 362607, 370962, 385392, 414408, 432789, 483476, 494616, 561456, 577052, 578088, 621612, 638879, 725214, 741924, 828816, 865578, 966952, 989232, 1087821, 1154104, 1156176, 1243224, 1277758, 1298367, 1450428, 1483848, 1731156, 1916637, 1933904, 2175642, 2308208, 2486448, 2555516, 2596734, 2900856, 2967696, 3462312, 3833274, 4351284, 4472153, 5111032, 5193468, 5749911, 5801712, 6924624, 7666548, 8702568, 8944306, 10222064, 10386936, 11499822, 13416459, 15333096, 17405136, 17888612, 20773872, 22999644, 26832918, 30666192, 35777224, 40249377, 45999288, 53665836, 71554448, 80498754, 91998576, 107331672, 160997508, 214663344, 321995016, 643990032]

約数ペア:

[(1, 643990032), (2, 321995016), (3, 214663344), (4, 160997508), (6, 107331672), (7, 91998576), (8, 80498754), (9, 71554448), (12, 53665836), (14, 45999288), (16, 40249377), (18, 35777224), (21, 30666192), (24, 26832918), (28, 22999644), (31, 20773872), (36, 17888612), (37, 17405136), (42, 15333096), (48, 13416459), (56, 11499822), (62, 10386936), (63, 10222064), (72, 8944306), (74, 8702568), (84, 7666548), (93, 6924624), (111, 5801712), (112, 5749911), (124, 5193468), (126, 5111032), (144, 4472153), (148, 4351284), (168, 3833274), (186, 3462312), (217, 2967696), (222, 2900856), (248, 2596734), (252, 2555516), (259, 2486448), (279, 2308208), (296, 2175642), (333, 1933904), (336, 1916637), (372, 1731156), (434, 1483848), (444, 1450428), (496, 1298367), (504, 1277758), (518, 1243224), (557, 1156176), (558, 1154104), (592, 1087821), (651, 989232), (666, 966952), (744, 865578), (777, 828816), (868, 741924), (888, 725214), (1008, 638879), (1036, 621612), (1114, 578088), (1116, 577052), (1147, 561456), (1302, 494616), (1332, 483476), (1488, 432789), (1554, 414408), (1671, 385392), (1736, 370962), (1776, 362607), (1953, 329744), (2072, 310806), (2228, 289044), (2232, 288526), (2294, 280728), (2331, 276272), (2604, 247308), (2664, 241738), (3108, 207204), (3342, 192696), (3441, 187152), (3472, 185481), (3899, 165168), (3906, 164872), (4144, 155403), (4456, 144522), (4464, 144263), (4588, 140364), (4662, 138136), (5013, 128464), (5208, 123654), (5328, 120869), (6216, 103602), (6684, 96348), (6882, 93576), (7798, 82584), (7812, 82436), (8029, 80208), (8912, 72261), (9176, 70182), (9324, 69068), (10026, 64232), (10323, 62384), (10416, 61827), (11697, 55056), (12432, 51801), (13368, 48174), (13764, 46788), (15596, 41292), (15624, 41218), (16058, 40104), (17267, 37296), (18352, 35091), (18648, 34534), (20052, 32116), (20609, 31248), (20646, 31192), (23394, 27528), (24087, 26736)]