78839320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1039}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 203673600

約数和(自身を除く): 124834280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1039, 1084, 1355, 1897, 2078, 2168, 2710, 3794, 4156, 5195, 5420, 7273, 7588, 8312, 9485, 10390, 10840, 14546, 15176, 18970, 20780, 29092, 36365, 37940, 41560, 58184, 72730, 75880, 145460, 281569, 290920, 563138, 1126276, 1407845, 1970983, 2252552, 2815690, 3941966, 5631380, 7883932, 9854915, 11262760, 15767864, 19709830, 39419660, 78839320]

約数ペア:

[(1, 78839320), (2, 39419660), (4, 19709830), (5, 15767864), (7, 11262760), (8, 9854915), (10, 7883932), (14, 5631380), (20, 3941966), (28, 2815690), (35, 2252552), (40, 1970983), (56, 1407845), (70, 1126276), (140, 563138), (271, 290920), (280, 281569), (542, 145460), (1039, 75880), (1084, 72730), (1355, 58184), (1897, 41560), (2078, 37940), (2168, 36365), (2710, 29092), (3794, 20780), (4156, 18970), (5195, 15176), (5420, 14546), (7273, 10840), (7588, 10390), (8312, 9485)]