72217680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2297}}^1$

素因数の和:2444

約数の個数: 80

約数和(自身を含む): 225681984

約数和(自身を除く): 153464304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2297, 2620, 3144, 3930, 4594, 5240, 6288, 6891, 7860, 9188, 10480, 11485, 13782, 15720, 18376, 22970, 27564, 31440, 34455, 36752, 45940, 55128, 68910, 91880, 110256, 137820, 183760, 275640, 300907, 551280, 601814, 902721, 1203628, 1504535, 1805442, 2407256, 3009070, 3610884, 4513605, 4814512, 6018140, 7221768, 9027210, 12036280, 14443536, 18054420, 24072560, 36108840, 72217680]

約数ペア:

[(1, 72217680), (2, 36108840), (3, 24072560), (4, 18054420), (5, 14443536), (6, 12036280), (8, 9027210), (10, 7221768), (12, 6018140), (15, 4814512), (16, 4513605), (20, 3610884), (24, 3009070), (30, 2407256), (40, 1805442), (48, 1504535), (60, 1203628), (80, 902721), (120, 601814), (131, 551280), (240, 300907), (262, 275640), (393, 183760), (524, 137820), (655, 110256), (786, 91880), (1048, 68910), (1310, 55128), (1572, 45940), (1965, 36752), (2096, 34455), (2297, 31440), (2620, 27564), (3144, 22970), (3930, 18376), (4594, 15720), (5240, 13782), (6288, 11485), (6891, 10480), (7860, 9188)]