78713820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19013}}^1$

素因数の和:19051

約数の個数: 72

約数和(自身を含む): 249159456

約数和(自身を除く): 170445636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19013, 38026, 57039, 76052, 95065, 114078, 171117, 190130, 228156, 285195, 342234, 380260, 437299, 570390, 684468, 855585, 874598, 1140780, 1311897, 1711170, 1749196, 2186495, 2623794, 3422340, 3935691, 4372990, 5247588, 6559485, 7871382, 8745980, 13118970, 15742764, 19678455, 26237940, 39356910, 78713820]

約数ペア:

[(1, 78713820), (2, 39356910), (3, 26237940), (4, 19678455), (5, 15742764), (6, 13118970), (9, 8745980), (10, 7871382), (12, 6559485), (15, 5247588), (18, 4372990), (20, 3935691), (23, 3422340), (30, 2623794), (36, 2186495), (45, 1749196), (46, 1711170), (60, 1311897), (69, 1140780), (90, 874598), (92, 855585), (115, 684468), (138, 570390), (180, 437299), (207, 380260), (230, 342234), (276, 285195), (345, 228156), (414, 190130), (460, 171117), (690, 114078), (828, 95065), (1035, 76052), (1380, 57039), (2070, 38026), (4140, 19013)]