81520110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1559}}^1$

素因数の和:1662

約数の個数: 96

約数和(自身を含む): 245306880

約数和(自身を除く): 163786770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 83, 90, 105, 126, 166, 210, 249, 315, 415, 498, 581, 630, 747, 830, 1162, 1245, 1494, 1559, 1743, 2490, 2905, 3118, 3486, 3735, 4677, 5229, 5810, 7470, 7795, 8715, 9354, 10458, 10913, 14031, 15590, 17430, 21826, 23385, 26145, 28062, 32739, 46770, 52290, 54565, 65478, 70155, 98217, 109130, 129397, 140310, 163695, 196434, 258794, 327390, 388191, 491085, 646985, 776382, 905779, 982170, 1164573, 1293970, 1811558, 1940955, 2329146, 2717337, 3881910, 4528895, 5434674, 5822865, 8152011, 9057790, 11645730, 13586685, 16304022, 27173370, 40760055, 81520110]

約数ペア:

[(1, 81520110), (2, 40760055), (3, 27173370), (5, 16304022), (6, 13586685), (7, 11645730), (9, 9057790), (10, 8152011), (14, 5822865), (15, 5434674), (18, 4528895), (21, 3881910), (30, 2717337), (35, 2329146), (42, 1940955), (45, 1811558), (63, 1293970), (70, 1164573), (83, 982170), (90, 905779), (105, 776382), (126, 646985), (166, 491085), (210, 388191), (249, 327390), (315, 258794), (415, 196434), (498, 163695), (581, 140310), (630, 129397), (747, 109130), (830, 98217), (1162, 70155), (1245, 65478), (1494, 54565), (1559, 52290), (1743, 46770), (2490, 32739), (2905, 28062), (3118, 26145), (3486, 23385), (3735, 21826), (4677, 17430), (5229, 15590), (5810, 14031), (7470, 10913), (7795, 10458), (8715, 9354)]