80302040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1697}}^1$

素因数の和:1741

約数の個数: 96

約数和(自身を含む): 223728480

約数和(自身を除く): 143426440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 169, 182, 260, 280, 338, 364, 455, 520, 676, 728, 845, 910, 1183, 1352, 1690, 1697, 1820, 2366, 3380, 3394, 3640, 4732, 5915, 6760, 6788, 8485, 9464, 11830, 11879, 13576, 16970, 22061, 23660, 23758, 33940, 44122, 47320, 47516, 59395, 67880, 88244, 95032, 110305, 118790, 154427, 176488, 220610, 237580, 286793, 308854, 441220, 475160, 573586, 617708, 772135, 882440, 1147172, 1235416, 1433965, 1544270, 2007551, 2294344, 2867930, 3088540, 4015102, 5735860, 6177080, 8030204, 10037755, 11471720, 16060408, 20075510, 40151020, 80302040]

約数ペア:

[(1, 80302040), (2, 40151020), (4, 20075510), (5, 16060408), (7, 11471720), (8, 10037755), (10, 8030204), (13, 6177080), (14, 5735860), (20, 4015102), (26, 3088540), (28, 2867930), (35, 2294344), (40, 2007551), (52, 1544270), (56, 1433965), (65, 1235416), (70, 1147172), (91, 882440), (104, 772135), (130, 617708), (140, 573586), (169, 475160), (182, 441220), (260, 308854), (280, 286793), (338, 237580), (364, 220610), (455, 176488), (520, 154427), (676, 118790), (728, 110305), (845, 95032), (910, 88244), (1183, 67880), (1352, 59395), (1690, 47516), (1697, 47320), (1820, 44122), (2366, 33940), (3380, 23758), (3394, 23660), (3640, 22061), (4732, 16970), (5915, 13576), (6760, 11879), (6788, 11830), (8485, 9464)]