81259488

素因数分解:

$2^5\times 3^2\times {\mathrm{283}}^1\times {\mathrm{997}}^1$

素因数の和:1296

約数の個数: 72

約数和(自身を含む): 232130808

約数和(自身を除く): 150871320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 283, 288, 566, 849, 997, 1132, 1698, 1994, 2264, 2547, 2991, 3396, 3988, 4528, 5094, 5982, 6792, 7976, 8973, 9056, 10188, 11964, 13584, 15952, 17946, 20376, 23928, 27168, 31904, 35892, 40752, 47856, 71784, 81504, 95712, 143568, 282151, 287136, 564302, 846453, 1128604, 1692906, 2257208, 2539359, 3385812, 4514416, 5078718, 6771624, 9028832, 10157436, 13543248, 20314872, 27086496, 40629744, 81259488]

約数ペア:

[(1, 81259488), (2, 40629744), (3, 27086496), (4, 20314872), (6, 13543248), (8, 10157436), (9, 9028832), (12, 6771624), (16, 5078718), (18, 4514416), (24, 3385812), (32, 2539359), (36, 2257208), (48, 1692906), (72, 1128604), (96, 846453), (144, 564302), (283, 287136), (288, 282151), (566, 143568), (849, 95712), (997, 81504), (1132, 71784), (1698, 47856), (1994, 40752), (2264, 35892), (2547, 31904), (2991, 27168), (3396, 23928), (3988, 20376), (4528, 17946), (5094, 15952), (5982, 13584), (6792, 11964), (7976, 10188), (8973, 9056)]