81411470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 186452928

約数和(自身を除く): 105041458

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 37, 43, 70, 74, 85, 86, 119, 170, 185, 215, 238, 259, 301, 370, 430, 518, 595, 602, 629, 731, 1190, 1258, 1295, 1462, 1505, 1591, 1849, 2590, 3010, 3145, 3182, 3655, 3698, 4403, 5117, 6290, 7310, 7955, 8806, 9245, 10234, 11137, 12943, 15910, 18490, 22015, 22274, 25585, 25886, 27047, 31433, 44030, 51170, 54094, 55685, 62866, 64715, 68413, 111370, 129430, 135235, 136826, 157165, 189329, 220031, 270470, 314330, 342065, 378658, 440062, 478891, 684130, 946645, 957782, 1100155, 1163021, 1893290, 2200310, 2326042, 2394455, 4788910, 5815105, 8141147, 11630210, 16282294, 40705735, 81411470]

約数ペア:

[(1, 81411470), (2, 40705735), (5, 16282294), (7, 11630210), (10, 8141147), (14, 5815105), (17, 4788910), (34, 2394455), (35, 2326042), (37, 2200310), (43, 1893290), (70, 1163021), (74, 1100155), (85, 957782), (86, 946645), (119, 684130), (170, 478891), (185, 440062), (215, 378658), (238, 342065), (259, 314330), (301, 270470), (370, 220031), (430, 189329), (518, 157165), (595, 136826), (602, 135235), (629, 129430), (731, 111370), (1190, 68413), (1258, 64715), (1295, 62866), (1462, 55685), (1505, 54094), (1591, 51170), (1849, 44030), (2590, 31433), (3010, 27047), (3145, 25886), (3182, 25585), (3655, 22274), (3698, 22015), (4403, 18490), (5117, 15910), (6290, 12943), (7310, 11137), (7955, 10234), (8806, 9245)]