81740960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1237}}^1$

素因数の和:1318

約数の個数: 96

約数和(自身を含む): 224622720

約数和(自身を除く): 142881760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 70, 80, 112, 118, 140, 160, 224, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1120, 1180, 1237, 1652, 1888, 2065, 2360, 2474, 3304, 4130, 4720, 4948, 6185, 6608, 8260, 8659, 9440, 9896, 12370, 13216, 16520, 17318, 19792, 24740, 33040, 34636, 39584, 43295, 49480, 66080, 69272, 72983, 86590, 98960, 138544, 145966, 173180, 197920, 277088, 291932, 346360, 364915, 510881, 583864, 692720, 729830, 1021762, 1167728, 1385440, 1459660, 2043524, 2335456, 2554405, 2919320, 4087048, 5108810, 5838640, 8174096, 10217620, 11677280, 16348192, 20435240, 40870480, 81740960]

約数ペア:

[(1, 81740960), (2, 40870480), (4, 20435240), (5, 16348192), (7, 11677280), (8, 10217620), (10, 8174096), (14, 5838640), (16, 5108810), (20, 4087048), (28, 2919320), (32, 2554405), (35, 2335456), (40, 2043524), (56, 1459660), (59, 1385440), (70, 1167728), (80, 1021762), (112, 729830), (118, 692720), (140, 583864), (160, 510881), (224, 364915), (236, 346360), (280, 291932), (295, 277088), (413, 197920), (472, 173180), (560, 145966), (590, 138544), (826, 98960), (944, 86590), (1120, 72983), (1180, 69272), (1237, 66080), (1652, 49480), (1888, 43295), (2065, 39584), (2360, 34636), (2474, 33040), (3304, 24740), (4130, 19792), (4720, 17318), (4948, 16520), (6185, 13216), (6608, 12370), (8260, 9896), (8659, 9440)]