1285193040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{172741}}^1$

素因数の和:172788

約数の個数: 80

約数和(自身を含む): 4112641536

約数和(自身を除く): 2827448496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 172741, 345482, 518223, 690964, 863705, 1036446, 1381928, 1727410, 2072892, 2591115, 2763856, 3454820, 4145784, 5182230, 5354971, 6909640, 8291568, 10364460, 10709942, 13819280, 16064913, 20728920, 21419884, 26774855, 32129826, 41457840, 42839768, 53549710, 64259652, 80324565, 85679536, 107099420, 128519304, 160649130, 214198840, 257038608, 321298260, 428397680, 642596520, 1285193040]

約数ペア:

[(1, 1285193040), (2, 642596520), (3, 428397680), (4, 321298260), (5, 257038608), (6, 214198840), (8, 160649130), (10, 128519304), (12, 107099420), (15, 85679536), (16, 80324565), (20, 64259652), (24, 53549710), (30, 42839768), (31, 41457840), (40, 32129826), (48, 26774855), (60, 21419884), (62, 20728920), (80, 16064913), (93, 13819280), (120, 10709942), (124, 10364460), (155, 8291568), (186, 6909640), (240, 5354971), (248, 5182230), (310, 4145784), (372, 3454820), (465, 2763856), (496, 2591115), (620, 2072892), (744, 1727410), (930, 1381928), (1240, 1036446), (1488, 863705), (1860, 690964), (2480, 518223), (3720, 345482), (7440, 172741)]