789312120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{457}}^1$

素因数の和:897

約数の個数: 128

約数和(自身を含む): 2443521600

約数和(自身を除く): 1654209480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 389, 444, 457, 555, 740, 778, 888, 914, 1110, 1167, 1371, 1480, 1556, 1828, 1945, 2220, 2285, 2334, 2742, 3112, 3656, 3890, 4440, 4570, 4668, 5484, 5835, 6855, 7780, 9140, 9336, 10968, 11670, 13710, 14393, 15560, 16909, 18280, 23340, 27420, 28786, 33818, 43179, 46680, 50727, 54840, 57572, 67636, 71965, 84545, 86358, 101454, 115144, 135272, 143930, 169090, 172716, 177773, 202908, 215895, 253635, 287860, 338180, 345432, 355546, 405816, 431790, 507270, 533319, 575720, 676360, 711092, 863580, 888865, 1014540, 1066638, 1422184, 1727160, 1777730, 2029080, 2133276, 2666595, 3555460, 4266552, 5333190, 6577601, 7110920, 10666380, 13155202, 19732803, 21332760, 26310404, 32888005, 39465606, 52620808, 65776010, 78931212, 98664015, 131552020, 157862424, 197328030, 263104040, 394656060, 789312120]

約数ペア:

[(1, 789312120), (2, 394656060), (3, 263104040), (4, 197328030), (5, 157862424), (6, 131552020), (8, 98664015), (10, 78931212), (12, 65776010), (15, 52620808), (20, 39465606), (24, 32888005), (30, 26310404), (37, 21332760), (40, 19732803), (60, 13155202), (74, 10666380), (111, 7110920), (120, 6577601), (148, 5333190), (185, 4266552), (222, 3555460), (296, 2666595), (370, 2133276), (389, 2029080), (444, 1777730), (457, 1727160), (555, 1422184), (740, 1066638), (778, 1014540), (888, 888865), (914, 863580), (1110, 711092), (1167, 676360), (1371, 575720), (1480, 533319), (1556, 507270), (1828, 431790), (1945, 405816), (2220, 355546), (2285, 345432), (2334, 338180), (2742, 287860), (3112, 253635), (3656, 215895), (3890, 202908), (4440, 177773), (4570, 172716), (4668, 169090), (5484, 143930), (5835, 135272), (6855, 115144), (7780, 101454), (9140, 86358), (9336, 84545), (10968, 71965), (11670, 67636), (13710, 57572), (14393, 54840), (15560, 50727), (16909, 46680), (18280, 43179), (23340, 33818), (27420, 28786)]