131147120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6637}}^1$

素因数の和:6682

約数の個数: 80

約数和(自身を含む): 345707040

約数和(自身を除く): 214559920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 6637, 9880, 13274, 19760, 26548, 33185, 53096, 66370, 86281, 106192, 126103, 132740, 172562, 252206, 265480, 345124, 431405, 504412, 530960, 630515, 690248, 862810, 1008824, 1261030, 1380496, 1639339, 1725620, 2017648, 2522060, 3278678, 3451240, 5044120, 6557356, 6902480, 8196695, 10088240, 13114712, 16393390, 26229424, 32786780, 65573560, 131147120]

約数ペア:

[(1, 131147120), (2, 65573560), (4, 32786780), (5, 26229424), (8, 16393390), (10, 13114712), (13, 10088240), (16, 8196695), (19, 6902480), (20, 6557356), (26, 5044120), (38, 3451240), (40, 3278678), (52, 2522060), (65, 2017648), (76, 1725620), (80, 1639339), (95, 1380496), (104, 1261030), (130, 1008824), (152, 862810), (190, 690248), (208, 630515), (247, 530960), (260, 504412), (304, 431405), (380, 345124), (494, 265480), (520, 252206), (760, 172562), (988, 132740), (1040, 126103), (1235, 106192), (1520, 86281), (1976, 66370), (2470, 53096), (3952, 33185), (4940, 26548), (6637, 19760), (9880, 13274)]