20512488030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:770

約数の個数: 128

約数和(自身を含む): 50638307328

約数和(自身を除く): 30125819298

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 137, 157, 166, 249, 274, 314, 383, 411, 415, 471, 498, 685, 766, 785, 822, 830, 942, 1149, 1245, 1370, 1570, 1915, 2055, 2298, 2355, 2490, 3830, 4110, 4710, 5745, 11371, 11490, 13031, 21509, 22742, 26062, 31789, 34113, 39093, 43018, 52471, 56855, 60131, 63578, 64527, 65155, 68226, 78186, 95367, 104942, 107545, 113710, 120262, 129054, 130310, 157413, 158945, 170565, 180393, 190734, 195465, 215090, 262355, 300655, 314826, 317890, 322635, 341130, 360786, 390930, 476835, 524710, 601310, 645270, 787065, 901965, 953670, 1574130, 1785247, 1803930, 3570494, 4355093, 4990873, 5355741, 8237947, 8710186, 8926235, 9981746, 10711482, 13065279, 14972619, 16475894, 17852470, 21775465, 24713841, 24954365, 26130558, 26778705, 29945238, 41189735, 43550930, 49427682, 49908730, 53557410, 65326395, 74863095, 82379470, 123569205, 130652790, 149726190, 247138410, 683749601, 1367499202, 2051248803, 3418748005, 4102497606, 6837496010, 10256244015, 20512488030]

約数ペア:

[(1, 20512488030), (2, 10256244015), (3, 6837496010), (5, 4102497606), (6, 3418748005), (10, 2051248803), (15, 1367499202), (30, 683749601), (83, 247138410), (137, 149726190), (157, 130652790), (166, 123569205), (249, 82379470), (274, 74863095), (314, 65326395), (383, 53557410), (411, 49908730), (415, 49427682), (471, 43550930), (498, 41189735), (685, 29945238), (766, 26778705), (785, 26130558), (822, 24954365), (830, 24713841), (942, 21775465), (1149, 17852470), (1245, 16475894), (1370, 14972619), (1570, 13065279), (1915, 10711482), (2055, 9981746), (2298, 8926235), (2355, 8710186), (2490, 8237947), (3830, 5355741), (4110, 4990873), (4710, 4355093), (5745, 3570494), (11371, 1803930), (11490, 1785247), (13031, 1574130), (21509, 953670), (22742, 901965), (26062, 787065), (31789, 645270), (34113, 601310), (39093, 524710), (43018, 476835), (52471, 390930), (56855, 360786), (60131, 341130), (63578, 322635), (64527, 317890), (65155, 314826), (68226, 300655), (78186, 262355), (95367, 215090), (104942, 195465), (107545, 190734), (113710, 180393), (120262, 170565), (129054, 158945), (130310, 157413)]