78432640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:900

約数の個数: 128

約数和(自身を含む): 220540320

約数和(自身を除く): 142107680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 715, 832, 857, 880, 1040, 1144, 1408, 1430, 1664, 1714, 1760, 2080, 2288, 2860, 3428, 3520, 4160, 4285, 4576, 5720, 6856, 7040, 8320, 8570, 9152, 9427, 11141, 11440, 13712, 17140, 18304, 18854, 22282, 22880, 27424, 34280, 37708, 44564, 45760, 47135, 54848, 55705, 68560, 75416, 89128, 91520, 94270, 109696, 111410, 122551, 137120, 150832, 178256, 188540, 222820, 245102, 274240, 301664, 356512, 377080, 445640, 490204, 548480, 603328, 612755, 713024, 754160, 891280, 980408, 1206656, 1225510, 1426048, 1508320, 1782560, 1960816, 2451020, 3016640, 3565120, 3921632, 4902040, 6033280, 7130240, 7843264, 9804080, 15686528, 19608160, 39216320, 78432640]

約数ペア:

[(1, 78432640), (2, 39216320), (4, 19608160), (5, 15686528), (8, 9804080), (10, 7843264), (11, 7130240), (13, 6033280), (16, 4902040), (20, 3921632), (22, 3565120), (26, 3016640), (32, 2451020), (40, 1960816), (44, 1782560), (52, 1508320), (55, 1426048), (64, 1225510), (65, 1206656), (80, 980408), (88, 891280), (104, 754160), (110, 713024), (128, 612755), (130, 603328), (143, 548480), (160, 490204), (176, 445640), (208, 377080), (220, 356512), (260, 301664), (286, 274240), (320, 245102), (352, 222820), (416, 188540), (440, 178256), (520, 150832), (572, 137120), (640, 122551), (704, 111410), (715, 109696), (832, 94270), (857, 91520), (880, 89128), (1040, 75416), (1144, 68560), (1408, 55705), (1430, 54848), (1664, 47135), (1714, 45760), (1760, 44564), (2080, 37708), (2288, 34280), (2860, 27424), (3428, 22880), (3520, 22282), (4160, 18854), (4285, 18304), (4576, 17140), (5720, 13712), (6856, 11440), (7040, 11141), (8320, 9427), (8570, 9152)]