905951280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{290369}}^1$

素因数の和:290398

約数の個数: 80

約数和(自身を含む): 3024493920

約数和(自身を除く): 2118542640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 290369, 580738, 871107, 1161476, 1451845, 1742214, 2322952, 2903690, 3484428, 3774797, 4355535, 4645904, 5807380, 6968856, 7549594, 8711070, 11324391, 11614760, 13937712, 15099188, 17422140, 18873985, 22648782, 23229520, 30198376, 34844280, 37747970, 45297564, 56621955, 60396752, 69688560, 75495940, 90595128, 113243910, 150991880, 181190256, 226487820, 301983760, 452975640, 905951280]

約数ペア:

[(1, 905951280), (2, 452975640), (3, 301983760), (4, 226487820), (5, 181190256), (6, 150991880), (8, 113243910), (10, 90595128), (12, 75495940), (13, 69688560), (15, 60396752), (16, 56621955), (20, 45297564), (24, 37747970), (26, 34844280), (30, 30198376), (39, 23229520), (40, 22648782), (48, 18873985), (52, 17422140), (60, 15099188), (65, 13937712), (78, 11614760), (80, 11324391), (104, 8711070), (120, 7549594), (130, 6968856), (156, 5807380), (195, 4645904), (208, 4355535), (240, 3774797), (260, 3484428), (312, 2903690), (390, 2322952), (520, 1742214), (624, 1451845), (780, 1161476), (1040, 871107), (1560, 580738), (3120, 290369)]