77820160

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5527}}^1$

素因数の和:5559

約数の個数: 72

約数和(自身を含む): 203386176

約数和(自身を除く): 125566016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5527, 7040, 11054, 14080, 22108, 27635, 44216, 55270, 60797, 88432, 110540, 121594, 176864, 221080, 243188, 303985, 353728, 442160, 486376, 607970, 707456, 884320, 972752, 1215940, 1414912, 1768640, 1945504, 2431880, 3537280, 3891008, 4863760, 7074560, 7782016, 9727520, 15564032, 19455040, 38910080, 77820160]

約数ペア:

[(1, 77820160), (2, 38910080), (4, 19455040), (5, 15564032), (8, 9727520), (10, 7782016), (11, 7074560), (16, 4863760), (20, 3891008), (22, 3537280), (32, 2431880), (40, 1945504), (44, 1768640), (55, 1414912), (64, 1215940), (80, 972752), (88, 884320), (110, 707456), (128, 607970), (160, 486376), (176, 442160), (220, 353728), (256, 303985), (320, 243188), (352, 221080), (440, 176864), (640, 121594), (704, 110540), (880, 88432), (1280, 60797), (1408, 55270), (1760, 44216), (2816, 27635), (3520, 22108), (5527, 14080), (7040, 11054)]