180181404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{877}}^1$

素因数の和:1339

約数の個数: 72

約数和(自身を含む): 492171680

約数和(自身を除く): 311990276

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 439, 468, 877, 878, 1317, 1754, 1756, 2631, 2634, 3508, 3951, 5262, 5268, 5707, 7893, 7902, 10524, 11401, 11414, 15786, 15804, 17121, 22802, 22828, 31572, 34203, 34242, 45604, 51363, 68406, 68484, 102609, 102726, 136812, 205218, 205452, 385003, 410436, 770006, 1155009, 1540012, 2310018, 3465027, 4620036, 5005039, 6930054, 10010078, 13860108, 15015117, 20020156, 30030234, 45045351, 60060468, 90090702, 180181404]

約数ペア:

[(1, 180181404), (2, 90090702), (3, 60060468), (4, 45045351), (6, 30030234), (9, 20020156), (12, 15015117), (13, 13860108), (18, 10010078), (26, 6930054), (36, 5005039), (39, 4620036), (52, 3465027), (78, 2310018), (117, 1540012), (156, 1155009), (234, 770006), (439, 410436), (468, 385003), (877, 205452), (878, 205218), (1317, 136812), (1754, 102726), (1756, 102609), (2631, 68484), (2634, 68406), (3508, 51363), (3951, 45604), (5262, 34242), (5268, 34203), (5707, 31572), (7893, 22828), (7902, 22802), (10524, 17121), (11401, 15804), (11414, 15786)]