78420390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 208023552

約数和(自身を除く): 129603162

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 43, 53, 62, 74, 86, 93, 106, 111, 129, 155, 159, 185, 186, 215, 222, 258, 265, 310, 318, 370, 430, 465, 530, 555, 645, 795, 930, 1110, 1147, 1290, 1333, 1590, 1591, 1643, 1961, 2279, 2294, 2666, 3182, 3286, 3441, 3922, 3999, 4558, 4773, 4929, 5735, 5883, 6665, 6837, 6882, 7955, 7998, 8215, 9546, 9805, 9858, 11395, 11470, 11766, 13330, 13674, 15910, 16430, 17205, 19610, 19995, 22790, 23865, 24645, 29415, 34185, 34410, 39990, 47730, 49290, 49321, 58830, 60791, 68370, 70649, 84323, 98642, 121582, 141298, 147963, 168646, 182373, 211947, 246605, 252969, 295926, 303955, 353245, 364746, 421615, 423894, 493210, 505938, 607910, 706490, 739815, 843230, 911865, 1059735, 1264845, 1479630, 1823730, 2119470, 2529690, 2614013, 5228026, 7842039, 13070065, 15684078, 26140130, 39210195, 78420390]

約数ペア:

[(1, 78420390), (2, 39210195), (3, 26140130), (5, 15684078), (6, 13070065), (10, 7842039), (15, 5228026), (30, 2614013), (31, 2529690), (37, 2119470), (43, 1823730), (53, 1479630), (62, 1264845), (74, 1059735), (86, 911865), (93, 843230), (106, 739815), (111, 706490), (129, 607910), (155, 505938), (159, 493210), (185, 423894), (186, 421615), (215, 364746), (222, 353245), (258, 303955), (265, 295926), (310, 252969), (318, 246605), (370, 211947), (430, 182373), (465, 168646), (530, 147963), (555, 141298), (645, 121582), (795, 98642), (930, 84323), (1110, 70649), (1147, 68370), (1290, 60791), (1333, 58830), (1590, 49321), (1591, 49290), (1643, 47730), (1961, 39990), (2279, 34410), (2294, 34185), (2666, 29415), (3182, 24645), (3286, 23865), (3441, 22790), (3922, 19995), (3999, 19610), (4558, 17205), (4773, 16430), (4929, 15910), (5735, 13674), (5883, 13330), (6665, 11766), (6837, 11470), (6882, 11395), (7955, 9858), (7998, 9805), (8215, 9546)]