68686740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 222663168

約数和(自身を除く): 153976428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 47, 60, 69, 90, 92, 94, 115, 138, 141, 180, 188, 207, 230, 235, 276, 282, 345, 353, 414, 423, 460, 470, 564, 690, 705, 706, 828, 846, 940, 1035, 1059, 1081, 1380, 1410, 1412, 1692, 1765, 2070, 2115, 2118, 2162, 2820, 3177, 3243, 3530, 4140, 4230, 4236, 4324, 5295, 5405, 6354, 6486, 7060, 8119, 8460, 9729, 10590, 10810, 12708, 12972, 15885, 16215, 16238, 16591, 19458, 21180, 21620, 24357, 31770, 32430, 32476, 33182, 38916, 40595, 48645, 48714, 49773, 63540, 64860, 66364, 73071, 81190, 82955, 97290, 97428, 99546, 121785, 146142, 149319, 162380, 165910, 194580, 199092, 243570, 248865, 292284, 298638, 331820, 365355, 381593, 487140, 497730, 597276, 730710, 746595, 763186, 995460, 1144779, 1461420, 1493190, 1526372, 1907965, 2289558, 2986380, 3434337, 3815930, 4579116, 5723895, 6868674, 7631860, 11447790, 13737348, 17171685, 22895580, 34343370, 68686740]

約数ペア:

[(1, 68686740), (2, 34343370), (3, 22895580), (4, 17171685), (5, 13737348), (6, 11447790), (9, 7631860), (10, 6868674), (12, 5723895), (15, 4579116), (18, 3815930), (20, 3434337), (23, 2986380), (30, 2289558), (36, 1907965), (45, 1526372), (46, 1493190), (47, 1461420), (60, 1144779), (69, 995460), (90, 763186), (92, 746595), (94, 730710), (115, 597276), (138, 497730), (141, 487140), (180, 381593), (188, 365355), (207, 331820), (230, 298638), (235, 292284), (276, 248865), (282, 243570), (345, 199092), (353, 194580), (414, 165910), (423, 162380), (460, 149319), (470, 146142), (564, 121785), (690, 99546), (705, 97428), (706, 97290), (828, 82955), (846, 81190), (940, 73071), (1035, 66364), (1059, 64860), (1081, 63540), (1380, 49773), (1410, 48714), (1412, 48645), (1692, 40595), (1765, 38916), (2070, 33182), (2115, 32476), (2118, 32430), (2162, 31770), (2820, 24357), (3177, 21620), (3243, 21180), (3530, 19458), (4140, 16591), (4230, 16238), (4236, 16215), (4324, 15885), (5295, 12972), (5405, 12708), (6354, 10810), (6486, 10590), (7060, 9729), (8119, 8460)]