81283560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8161}}^1$

素因数の和:8258

約数の個数: 64

約数和(自身を含む): 246818880

約数和(自身を除く): 165535320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2490, 3320, 4980, 8161, 9960, 16322, 24483, 32644, 40805, 48966, 65288, 81610, 97932, 122415, 163220, 195864, 244830, 326440, 489660, 677363, 979320, 1354726, 2032089, 2709452, 3386815, 4064178, 5418904, 6773630, 8128356, 10160445, 13547260, 16256712, 20320890, 27094520, 40641780, 81283560]

約数ペア:

[(1, 81283560), (2, 40641780), (3, 27094520), (4, 20320890), (5, 16256712), (6, 13547260), (8, 10160445), (10, 8128356), (12, 6773630), (15, 5418904), (20, 4064178), (24, 3386815), (30, 2709452), (40, 2032089), (60, 1354726), (83, 979320), (120, 677363), (166, 489660), (249, 326440), (332, 244830), (415, 195864), (498, 163220), (664, 122415), (830, 97932), (996, 81610), (1245, 65288), (1660, 48966), (1992, 40805), (2490, 32644), (3320, 24483), (4980, 16322), (8161, 9960)]