81243810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5279}}^1$

素因数の和:5317

約数の個数: 80

約数和(自身を含む): 229996800

約数和(自身を除く): 148752990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1539, 1710, 2565, 3078, 5130, 5279, 7695, 10558, 15390, 15837, 26395, 31674, 47511, 52790, 79185, 95022, 100301, 142533, 158370, 200602, 237555, 285066, 300903, 427599, 475110, 501505, 601806, 712665, 855198, 902709, 1003010, 1425330, 1504515, 1805418, 2137995, 2708127, 3009030, 4275990, 4513545, 5416254, 8124381, 9027090, 13540635, 16248762, 27081270, 40621905, 81243810]

約数ペア:

[(1, 81243810), (2, 40621905), (3, 27081270), (5, 16248762), (6, 13540635), (9, 9027090), (10, 8124381), (15, 5416254), (18, 4513545), (19, 4275990), (27, 3009030), (30, 2708127), (38, 2137995), (45, 1805418), (54, 1504515), (57, 1425330), (81, 1003010), (90, 902709), (95, 855198), (114, 712665), (135, 601806), (162, 501505), (171, 475110), (190, 427599), (270, 300903), (285, 285066), (342, 237555), (405, 200602), (513, 158370), (570, 142533), (810, 100301), (855, 95022), (1026, 79185), (1539, 52790), (1710, 47511), (2565, 31674), (3078, 26395), (5130, 15837), (5279, 15390), (7695, 10558)]