78156456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 236544000

約数和(自身を除く): 158387544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 43, 56, 62, 84, 86, 93, 124, 129, 168, 172, 186, 217, 248, 258, 301, 344, 349, 372, 434, 516, 602, 651, 698, 744, 868, 903, 1032, 1047, 1204, 1302, 1333, 1396, 1736, 1806, 2094, 2408, 2443, 2604, 2666, 2792, 3612, 3999, 4188, 4886, 5208, 5332, 7224, 7329, 7998, 8376, 9331, 9772, 10664, 10819, 14658, 15007, 15996, 18662, 19544, 21638, 27993, 29316, 30014, 31992, 32457, 37324, 43276, 45021, 55986, 58632, 60028, 64914, 74648, 75733, 86552, 90042, 105049, 111972, 120056, 129828, 151466, 180084, 210098, 223944, 227199, 259656, 302932, 315147, 360168, 420196, 454398, 465217, 605864, 630294, 840392, 908796, 930434, 1260588, 1395651, 1817592, 1860868, 2521176, 2791302, 3256519, 3721736, 5582604, 6513038, 9769557, 11165208, 13026076, 19539114, 26052152, 39078228, 78156456]

約数ペア:

[(1, 78156456), (2, 39078228), (3, 26052152), (4, 19539114), (6, 13026076), (7, 11165208), (8, 9769557), (12, 6513038), (14, 5582604), (21, 3721736), (24, 3256519), (28, 2791302), (31, 2521176), (42, 1860868), (43, 1817592), (56, 1395651), (62, 1260588), (84, 930434), (86, 908796), (93, 840392), (124, 630294), (129, 605864), (168, 465217), (172, 454398), (186, 420196), (217, 360168), (248, 315147), (258, 302932), (301, 259656), (344, 227199), (349, 223944), (372, 210098), (434, 180084), (516, 151466), (602, 129828), (651, 120056), (698, 111972), (744, 105049), (868, 90042), (903, 86552), (1032, 75733), (1047, 74648), (1204, 64914), (1302, 60028), (1333, 58632), (1396, 55986), (1736, 45021), (1806, 43276), (2094, 37324), (2408, 32457), (2443, 31992), (2604, 30014), (2666, 29316), (2792, 27993), (3612, 21638), (3999, 19544), (4188, 18662), (4886, 15996), (5208, 15007), (5332, 14658), (7224, 10819), (7329, 10664), (7998, 9772), (8376, 9331)]