78938760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 254119680

約数和(自身を除く): 175180920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 690, 740, 773, 851, 888, 920, 1110, 1380, 1480, 1546, 1702, 2220, 2319, 2553, 2760, 3092, 3404, 3865, 4255, 4440, 4638, 5106, 6184, 6808, 7730, 8510, 9276, 10212, 11595, 12765, 15460, 17020, 17779, 18552, 20424, 23190, 25530, 28601, 30920, 34040, 35558, 46380, 51060, 53337, 57202, 71116, 85803, 88895, 92760, 102120, 106674, 114404, 142232, 143005, 171606, 177790, 213348, 228808, 266685, 286010, 343212, 355580, 426696, 429015, 533370, 572020, 657823, 686424, 711160, 858030, 1066740, 1144040, 1315646, 1716060, 1973469, 2133480, 2631292, 3289115, 3432120, 3946938, 5262584, 6578230, 7893876, 9867345, 13156460, 15787752, 19734690, 26312920, 39469380, 78938760]

約数ペア:

[(1, 78938760), (2, 39469380), (3, 26312920), (4, 19734690), (5, 15787752), (6, 13156460), (8, 9867345), (10, 7893876), (12, 6578230), (15, 5262584), (20, 3946938), (23, 3432120), (24, 3289115), (30, 2631292), (37, 2133480), (40, 1973469), (46, 1716060), (60, 1315646), (69, 1144040), (74, 1066740), (92, 858030), (111, 711160), (115, 686424), (120, 657823), (138, 572020), (148, 533370), (184, 429015), (185, 426696), (222, 355580), (230, 343212), (276, 286010), (296, 266685), (345, 228808), (370, 213348), (444, 177790), (460, 171606), (552, 143005), (555, 142232), (690, 114404), (740, 106674), (773, 102120), (851, 92760), (888, 88895), (920, 85803), (1110, 71116), (1380, 57202), (1480, 53337), (1546, 51060), (1702, 46380), (2220, 35558), (2319, 34040), (2553, 30920), (2760, 28601), (3092, 25530), (3404, 23190), (3865, 20424), (4255, 18552), (4440, 17779), (4638, 17020), (5106, 15460), (6184, 12765), (6808, 11595), (7730, 10212), (8510, 9276)]