81697896

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 240

約数和(自身を含む): 278087040

約数和(自身を除く): 196389144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 49, 54, 56, 62, 63, 72, 81, 83, 84, 93, 98, 108, 124, 126, 147, 162, 166, 168, 186, 189, 196, 216, 217, 248, 249, 252, 279, 294, 324, 332, 372, 378, 392, 434, 441, 498, 504, 558, 567, 581, 588, 648, 651, 664, 744, 747, 756, 837, 868, 882, 996, 1116, 1134, 1162, 1176, 1302, 1323, 1494, 1512, 1519, 1674, 1736, 1743, 1764, 1953, 1992, 2232, 2241, 2268, 2324, 2511, 2573, 2604, 2646, 2988, 3038, 3348, 3486, 3528, 3906, 3969, 4067, 4482, 4536, 4557, 4648, 5022, 5146, 5208, 5229, 5292, 5859, 5976, 6076, 6696, 6723, 6972, 7719, 7812, 7938, 8134, 8964, 9114, 10044, 10292, 10458, 10584, 11718, 12152, 12201, 13446, 13671, 13944, 15438, 15624, 15687, 15876, 16268, 17577, 17928, 18011, 18228, 20088, 20584, 20916, 23157, 23436, 24402, 26892, 27342, 30876, 31374, 31752, 32536, 35154, 36022, 36456, 36603, 41013, 41832, 46314, 46872, 47061, 48804, 53784, 54033, 54684, 61752, 62748, 69471, 70308, 72044, 73206, 82026, 92628, 94122, 97608, 108066, 109368, 109809, 123039, 125496, 126077, 138942, 140616, 144088, 146412, 162099, 164052, 185256, 188244, 208413, 216132, 219618, 246078, 252154, 277884, 292824, 324198, 328104, 329427, 376488, 378231, 416826, 432264, 439236, 486297, 492156, 504308, 555768, 648396, 658854, 756462, 833652, 878472, 972594, 984312, 1008616, 1134693, 1296792, 1317708, 1458891, 1512924, 1667304, 1945188, 2269386, 2635416, 2917782, 3025848, 3404079, 3890376, 4538772, 5835564, 6808158, 9077544, 10212237, 11671128, 13616316, 20424474, 27232632, 40848948, 81697896]

約数ペア:

[(1, 81697896), (2, 40848948), (3, 27232632), (4, 20424474), (6, 13616316), (7, 11671128), (8, 10212237), (9, 9077544), (12, 6808158), (14, 5835564), (18, 4538772), (21, 3890376), (24, 3404079), (27, 3025848), (28, 2917782), (31, 2635416), (36, 2269386), (42, 1945188), (49, 1667304), (54, 1512924), (56, 1458891), (62, 1317708), (63, 1296792), (72, 1134693), (81, 1008616), (83, 984312), (84, 972594), (93, 878472), (98, 833652), (108, 756462), (124, 658854), (126, 648396), (147, 555768), (162, 504308), (166, 492156), (168, 486297), (186, 439236), (189, 432264), (196, 416826), (216, 378231), (217, 376488), (248, 329427), (249, 328104), (252, 324198), (279, 292824), (294, 277884), (324, 252154), (332, 246078), (372, 219618), (378, 216132), (392, 208413), (434, 188244), (441, 185256), (498, 164052), (504, 162099), (558, 146412), (567, 144088), (581, 140616), (588, 138942), (648, 126077), (651, 125496), (664, 123039), (744, 109809), (747, 109368), (756, 108066), (837, 97608), (868, 94122), (882, 92628), (996, 82026), (1116, 73206), (1134, 72044), (1162, 70308), (1176, 69471), (1302, 62748), (1323, 61752), (1494, 54684), (1512, 54033), (1519, 53784), (1674, 48804), (1736, 47061), (1743, 46872), (1764, 46314), (1953, 41832), (1992, 41013), (2232, 36603), (2241, 36456), (2268, 36022), (2324, 35154), (2511, 32536), (2573, 31752), (2604, 31374), (2646, 30876), (2988, 27342), (3038, 26892), (3348, 24402), (3486, 23436), (3528, 23157), (3906, 20916), (3969, 20584), (4067, 20088), (4482, 18228), (4536, 18011), (4557, 17928), (4648, 17577), (5022, 16268), (5146, 15876), (5208, 15687), (5229, 15624), (5292, 15438), (5859, 13944), (5976, 13671), (6076, 13446), (6696, 12201), (6723, 12152), (6972, 11718), (7719, 10584), (7812, 10458), (7938, 10292), (8134, 10044), (8964, 9114)]