28396560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 88655040

約数和(自身を除く): 60258480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 179, 240, 358, 537, 661, 716, 895, 1074, 1322, 1432, 1790, 1983, 2148, 2644, 2685, 2864, 3305, 3580, 3966, 4296, 5288, 5370, 6610, 7160, 7932, 8592, 9915, 10576, 10740, 13220, 14320, 15864, 19830, 21480, 26440, 31728, 39660, 42960, 52880, 79320, 118319, 158640, 236638, 354957, 473276, 591595, 709914, 946552, 1183190, 1419828, 1774785, 1893104, 2366380, 2839656, 3549570, 4732760, 5679312, 7099140, 9465520, 14198280, 28396560]

約数ペア:

[(1, 28396560), (2, 14198280), (3, 9465520), (4, 7099140), (5, 5679312), (6, 4732760), (8, 3549570), (10, 2839656), (12, 2366380), (15, 1893104), (16, 1774785), (20, 1419828), (24, 1183190), (30, 946552), (40, 709914), (48, 591595), (60, 473276), (80, 354957), (120, 236638), (179, 158640), (240, 118319), (358, 79320), (537, 52880), (661, 42960), (716, 39660), (895, 31728), (1074, 26440), (1322, 21480), (1432, 19830), (1790, 15864), (1983, 14320), (2148, 13220), (2644, 10740), (2685, 10576), (2864, 9915), (3305, 8592), (3580, 7932), (3966, 7160), (4296, 6610), (5288, 5370)]