81715872

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:371

約数の個数: 192

約数和(自身を含む): 271724544

約数和(自身を除く): 190008672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 23, 24, 28, 32, 34, 42, 46, 48, 51, 56, 68, 69, 84, 92, 96, 102, 112, 119, 136, 138, 161, 168, 184, 204, 224, 238, 272, 276, 311, 322, 336, 357, 368, 391, 408, 476, 483, 544, 552, 622, 644, 672, 714, 736, 782, 816, 933, 952, 966, 1104, 1173, 1244, 1288, 1428, 1564, 1632, 1866, 1904, 1932, 2177, 2208, 2346, 2488, 2576, 2737, 2856, 3128, 3732, 3808, 3864, 4354, 4692, 4976, 5152, 5287, 5474, 5712, 6256, 6531, 7153, 7464, 7728, 8211, 8708, 9384, 9952, 10574, 10948, 11424, 12512, 13062, 14306, 14928, 15456, 15861, 16422, 17416, 18768, 21148, 21459, 21896, 26124, 28612, 29856, 31722, 32844, 34832, 37009, 37536, 42296, 42918, 43792, 50071, 52248, 57224, 63444, 65688, 69664, 74018, 84592, 85836, 87584, 100142, 104496, 111027, 114448, 121601, 126888, 131376, 148036, 150213, 169184, 171672, 200284, 208992, 222054, 228896, 243202, 253776, 262752, 296072, 300426, 343344, 364803, 400568, 444108, 486404, 507552, 592144, 600852, 686688, 729606, 801136, 851207, 888216, 972808, 1184288, 1201704, 1459212, 1602272, 1702414, 1776432, 1945616, 2403408, 2553621, 2918424, 3404828, 3552864, 3891232, 4806816, 5107242, 5836848, 6809656, 10214484, 11673696, 13619312, 20428968, 27238624, 40857936, 81715872]

約数ペア:

[(1, 81715872), (2, 40857936), (3, 27238624), (4, 20428968), (6, 13619312), (7, 11673696), (8, 10214484), (12, 6809656), (14, 5836848), (16, 5107242), (17, 4806816), (21, 3891232), (23, 3552864), (24, 3404828), (28, 2918424), (32, 2553621), (34, 2403408), (42, 1945616), (46, 1776432), (48, 1702414), (51, 1602272), (56, 1459212), (68, 1201704), (69, 1184288), (84, 972808), (92, 888216), (96, 851207), (102, 801136), (112, 729606), (119, 686688), (136, 600852), (138, 592144), (161, 507552), (168, 486404), (184, 444108), (204, 400568), (224, 364803), (238, 343344), (272, 300426), (276, 296072), (311, 262752), (322, 253776), (336, 243202), (357, 228896), (368, 222054), (391, 208992), (408, 200284), (476, 171672), (483, 169184), (544, 150213), (552, 148036), (622, 131376), (644, 126888), (672, 121601), (714, 114448), (736, 111027), (782, 104496), (816, 100142), (933, 87584), (952, 85836), (966, 84592), (1104, 74018), (1173, 69664), (1244, 65688), (1288, 63444), (1428, 57224), (1564, 52248), (1632, 50071), (1866, 43792), (1904, 42918), (1932, 42296), (2177, 37536), (2208, 37009), (2346, 34832), (2488, 32844), (2576, 31722), (2737, 29856), (2856, 28612), (3128, 26124), (3732, 21896), (3808, 21459), (3864, 21148), (4354, 18768), (4692, 17416), (4976, 16422), (5152, 15861), (5287, 15456), (5474, 14928), (5712, 14306), (6256, 13062), (6531, 12512), (7153, 11424), (7464, 10948), (7728, 10574), (8211, 9952), (8708, 9384)]