168781256

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 402796800

約数和(自身を除く): 234015544

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 41, 53, 56, 73, 76, 82, 106, 133, 146, 152, 164, 212, 266, 287, 292, 328, 371, 424, 511, 532, 574, 584, 742, 779, 1007, 1022, 1064, 1148, 1387, 1484, 1558, 2014, 2044, 2173, 2296, 2774, 2968, 2993, 3116, 3869, 4028, 4088, 4346, 5453, 5548, 5986, 6232, 7049, 7738, 8056, 8692, 9709, 10906, 11096, 11972, 14098, 15211, 15476, 17384, 19418, 20951, 21812, 23944, 27083, 28196, 30422, 30952, 38836, 41287, 41902, 43624, 54166, 56392, 56867, 60844, 73511, 77672, 82574, 83804, 108332, 113734, 121688, 147022, 158629, 165148, 167608, 216664, 227468, 289009, 294044, 317258, 330296, 398069, 454936, 514577, 578018, 588088, 634516, 796138, 1029154, 1110403, 1156036, 1269032, 1592276, 2058308, 2220806, 2312072, 3013951, 3184552, 4116616, 4441612, 6027902, 8883224, 12055804, 21097657, 24111608, 42195314, 84390628, 168781256]

約数ペア:

[(1, 168781256), (2, 84390628), (4, 42195314), (7, 24111608), (8, 21097657), (14, 12055804), (19, 8883224), (28, 6027902), (38, 4441612), (41, 4116616), (53, 3184552), (56, 3013951), (73, 2312072), (76, 2220806), (82, 2058308), (106, 1592276), (133, 1269032), (146, 1156036), (152, 1110403), (164, 1029154), (212, 796138), (266, 634516), (287, 588088), (292, 578018), (328, 514577), (371, 454936), (424, 398069), (511, 330296), (532, 317258), (574, 294044), (584, 289009), (742, 227468), (779, 216664), (1007, 167608), (1022, 165148), (1064, 158629), (1148, 147022), (1387, 121688), (1484, 113734), (1558, 108332), (2014, 83804), (2044, 82574), (2173, 77672), (2296, 73511), (2774, 60844), (2968, 56867), (2993, 56392), (3116, 54166), (3869, 43624), (4028, 41902), (4088, 41287), (4346, 38836), (5453, 30952), (5548, 30422), (5986, 28196), (6232, 27083), (7049, 23944), (7738, 21812), (8056, 20951), (8692, 19418), (9709, 17384), (10906, 15476), (11096, 15211), (11972, 14098)]