261350064

素因数分解:

$2^4\times 3^4\times {\mathrm{421}}^1\times {\mathrm{479}}^1$

素因数の和:920

約数の個数: 100

約数和(自身を含む): 759802560

約数和(自身を除く): 498452496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 421, 432, 479, 648, 842, 958, 1263, 1296, 1437, 1684, 1916, 2526, 2874, 3368, 3789, 3832, 4311, 5052, 5748, 6736, 7578, 7664, 8622, 10104, 11367, 11496, 12933, 15156, 17244, 20208, 22734, 22992, 25866, 30312, 34101, 34488, 38799, 45468, 51732, 60624, 68202, 68976, 77598, 90936, 103464, 136404, 155196, 181872, 201659, 206928, 272808, 310392, 403318, 545616, 604977, 620784, 806636, 1209954, 1613272, 1814931, 2419908, 3226544, 3629862, 4839816, 5444793, 7259724, 9679632, 10889586, 14519448, 16334379, 21779172, 29038896, 32668758, 43558344, 65337516, 87116688, 130675032, 261350064]

約数ペア:

[(1, 261350064), (2, 130675032), (3, 87116688), (4, 65337516), (6, 43558344), (8, 32668758), (9, 29038896), (12, 21779172), (16, 16334379), (18, 14519448), (24, 10889586), (27, 9679632), (36, 7259724), (48, 5444793), (54, 4839816), (72, 3629862), (81, 3226544), (108, 2419908), (144, 1814931), (162, 1613272), (216, 1209954), (324, 806636), (421, 620784), (432, 604977), (479, 545616), (648, 403318), (842, 310392), (958, 272808), (1263, 206928), (1296, 201659), (1437, 181872), (1684, 155196), (1916, 136404), (2526, 103464), (2874, 90936), (3368, 77598), (3789, 68976), (3832, 68202), (4311, 60624), (5052, 51732), (5748, 45468), (6736, 38799), (7578, 34488), (7664, 34101), (8622, 30312), (10104, 25866), (11367, 22992), (11496, 22734), (12933, 20208), (15156, 17244)]