81311506160

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{275969}}^1$

素因数の和:276138

約数の個数: 80

約数和(自身を含む): 197108812800

約数和(自身を除く): 115797306640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 127, 145, 232, 254, 290, 464, 508, 580, 635, 1016, 1160, 1270, 2032, 2320, 2540, 3683, 5080, 7366, 10160, 14732, 18415, 29464, 36830, 58928, 73660, 147320, 275969, 294640, 551938, 1103876, 1379845, 2207752, 2759690, 4415504, 5519380, 8003101, 11038760, 16006202, 22077520, 32012404, 35048063, 40015505, 64024808, 70096126, 80031010, 128049616, 140192252, 160062020, 175240315, 280384504, 320124040, 350480630, 560769008, 640248080, 700961260, 1016393827, 1401922520, 2032787654, 2803845040, 4065575308, 5081969135, 8131150616, 10163938270, 16262301232, 20327876540, 40655753080, 81311506160]

約数ペア:

[(1, 81311506160), (2, 40655753080), (4, 20327876540), (5, 16262301232), (8, 10163938270), (10, 8131150616), (16, 5081969135), (20, 4065575308), (29, 2803845040), (40, 2032787654), (58, 1401922520), (80, 1016393827), (116, 700961260), (127, 640248080), (145, 560769008), (232, 350480630), (254, 320124040), (290, 280384504), (464, 175240315), (508, 160062020), (580, 140192252), (635, 128049616), (1016, 80031010), (1160, 70096126), (1270, 64024808), (2032, 40015505), (2320, 35048063), (2540, 32012404), (3683, 22077520), (5080, 16006202), (7366, 11038760), (10160, 8003101), (14732, 5519380), (18415, 4415504), (29464, 2759690), (36830, 2207752), (58928, 1379845), (73660, 1103876), (147320, 551938), (275969, 294640)]