79839760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1041

約数の個数: 160

約数和(自身を含む): 249484032

約数和(自身を除く): 169644272

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 997, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 1994, 2002, 2288, 2860, 3080, 3640, 3988, 4004, 4985, 5005, 5720, 6160, 6979, 7280, 7976, 8008, 9970, 10010, 10967, 11440, 12961, 13958, 15952, 16016, 19940, 20020, 21934, 25922, 27916, 34895, 39880, 40040, 43868, 51844, 54835, 55832, 64805, 69790, 76769, 79760, 80080, 87736, 90727, 103688, 109670, 111664, 129610, 139580, 142571, 153538, 175472, 181454, 207376, 219340, 259220, 279160, 285142, 307076, 362908, 383845, 438680, 453635, 518440, 558320, 570284, 614152, 712855, 725816, 767690, 877360, 907270, 997997, 1036880, 1140568, 1228304, 1425710, 1451632, 1535380, 1814540, 1995994, 2281136, 2851420, 3070760, 3629080, 3991988, 4989985, 5702840, 6141520, 7258160, 7983976, 9979970, 11405680, 15967952, 19959940, 39919880, 79839760]

約数ペア:

[(1, 79839760), (2, 39919880), (4, 19959940), (5, 15967952), (7, 11405680), (8, 9979970), (10, 7983976), (11, 7258160), (13, 6141520), (14, 5702840), (16, 4989985), (20, 3991988), (22, 3629080), (26, 3070760), (28, 2851420), (35, 2281136), (40, 1995994), (44, 1814540), (52, 1535380), (55, 1451632), (56, 1425710), (65, 1228304), (70, 1140568), (77, 1036880), (80, 997997), (88, 907270), (91, 877360), (104, 767690), (110, 725816), (112, 712855), (130, 614152), (140, 570284), (143, 558320), (154, 518440), (176, 453635), (182, 438680), (208, 383845), (220, 362908), (260, 307076), (280, 285142), (286, 279160), (308, 259220), (364, 219340), (385, 207376), (440, 181454), (455, 175472), (520, 153538), (560, 142571), (572, 139580), (616, 129610), (715, 111664), (728, 109670), (770, 103688), (880, 90727), (910, 87736), (997, 80080), (1001, 79760), (1040, 76769), (1144, 69790), (1232, 64805), (1430, 55832), (1456, 54835), (1540, 51844), (1820, 43868), (1994, 40040), (2002, 39880), (2288, 34895), (2860, 27916), (3080, 25922), (3640, 21934), (3988, 20020), (4004, 19940), (4985, 16016), (5005, 15952), (5720, 13958), (6160, 12961), (6979, 11440), (7280, 10967), (7976, 10010), (8008, 9970)]