1979778996

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:732

約数の個数: 240

約数和(自身を含む): 6048149184

約数和(自身を除く): 4068370188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 43, 51, 52, 54, 68, 78, 81, 86, 102, 108, 117, 129, 153, 156, 162, 172, 204, 221, 234, 258, 306, 324, 351, 387, 442, 459, 468, 516, 559, 612, 643, 663, 702, 731, 774, 884, 918, 1053, 1118, 1161, 1286, 1326, 1377, 1404, 1462, 1548, 1677, 1836, 1929, 1989, 2106, 2193, 2236, 2322, 2572, 2652, 2754, 2924, 3354, 3483, 3858, 3978, 4212, 4386, 4644, 5031, 5508, 5787, 5967, 6579, 6708, 6966, 7716, 7956, 8359, 8772, 9503, 10062, 10931, 11574, 11934, 13158, 13932, 15093, 16718, 17361, 17901, 19006, 19737, 20124, 21862, 23148, 23868, 25077, 26316, 27649, 28509, 30186, 32793, 33436, 34722, 35802, 38012, 39474, 43724, 45279, 50154, 52083, 55298, 57018, 59211, 60372, 65586, 69444, 71604, 75231, 78948, 82947, 85527, 90558, 98379, 100308, 104166, 110596, 114036, 118422, 131172, 142103, 150462, 165894, 171054, 181116, 196758, 208332, 225693, 236844, 248841, 256581, 284206, 295137, 300924, 331788, 342108, 359437, 393516, 426309, 451386, 470033, 497682, 513162, 568412, 590274, 677079, 718874, 746523, 769743, 852618, 885411, 902772, 940066, 995364, 1026324, 1078311, 1180548, 1278927, 1354158, 1410099, 1437748, 1493046, 1539486, 1705236, 1770822, 1880132, 2156622, 2239569, 2557854, 2708316, 2820198, 2986092, 3078972, 3234933, 3541644, 3836781, 4230297, 4313244, 4479138, 5115708, 5640396, 6110429, 6469866, 7673562, 8460594, 8958276, 9704799, 11510343, 12220858, 12690891, 12939732, 15347124, 16921188, 18331287, 19409598, 23020686, 24441716, 25381782, 29114397, 36662574, 38072673, 38819196, 46041372, 50763564, 54993861, 58228794, 73325148, 76145346, 109987722, 116457588, 152290692, 164981583, 219975444, 329963166, 494944749, 659926332, 989889498, 1979778996]

約数ペア:

[(1, 1979778996), (2, 989889498), (3, 659926332), (4, 494944749), (6, 329963166), (9, 219975444), (12, 164981583), (13, 152290692), (17, 116457588), (18, 109987722), (26, 76145346), (27, 73325148), (34, 58228794), (36, 54993861), (39, 50763564), (43, 46041372), (51, 38819196), (52, 38072673), (54, 36662574), (68, 29114397), (78, 25381782), (81, 24441716), (86, 23020686), (102, 19409598), (108, 18331287), (117, 16921188), (129, 15347124), (153, 12939732), (156, 12690891), (162, 12220858), (172, 11510343), (204, 9704799), (221, 8958276), (234, 8460594), (258, 7673562), (306, 6469866), (324, 6110429), (351, 5640396), (387, 5115708), (442, 4479138), (459, 4313244), (468, 4230297), (516, 3836781), (559, 3541644), (612, 3234933), (643, 3078972), (663, 2986092), (702, 2820198), (731, 2708316), (774, 2557854), (884, 2239569), (918, 2156622), (1053, 1880132), (1118, 1770822), (1161, 1705236), (1286, 1539486), (1326, 1493046), (1377, 1437748), (1404, 1410099), (1462, 1354158), (1548, 1278927), (1677, 1180548), (1836, 1078311), (1929, 1026324), (1989, 995364), (2106, 940066), (2193, 902772), (2236, 885411), (2322, 852618), (2572, 769743), (2652, 746523), (2754, 718874), (2924, 677079), (3354, 590274), (3483, 568412), (3858, 513162), (3978, 497682), (4212, 470033), (4386, 451386), (4644, 426309), (5031, 393516), (5508, 359437), (5787, 342108), (5967, 331788), (6579, 300924), (6708, 295137), (6966, 284206), (7716, 256581), (7956, 248841), (8359, 236844), (8772, 225693), (9503, 208332), (10062, 196758), (10931, 181116), (11574, 171054), (11934, 165894), (13158, 150462), (13932, 142103), (15093, 131172), (16718, 118422), (17361, 114036), (17901, 110596), (19006, 104166), (19737, 100308), (20124, 98379), (21862, 90558), (23148, 85527), (23868, 82947), (25077, 78948), (26316, 75231), (27649, 71604), (28509, 69444), (30186, 65586), (32793, 60372), (33436, 59211), (34722, 57018), (35802, 55298), (38012, 52083), (39474, 50154), (43724, 45279)]