1990589760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1741}}^1$

素因数の和:2161

約数の個数: 168

約数和(自身を含む): 6867988296

約数和(自身を除く): 4877398536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 397, 480, 576, 720, 794, 960, 1191, 1440, 1588, 1741, 1985, 2382, 2880, 3176, 3482, 3573, 3970, 4764, 5223, 5955, 6352, 6964, 7146, 7940, 8705, 9528, 10446, 11910, 12704, 13928, 14292, 15669, 15880, 17410, 17865, 19056, 20892, 23820, 25408, 26115, 27856, 28584, 31338, 31760, 34820, 35730, 38112, 41784, 47640, 52230, 55712, 57168, 62676, 63520, 69640, 71460, 76224, 78345, 83568, 95280, 104460, 111424, 114336, 125352, 127040, 139280, 142920, 156690, 167136, 190560, 208920, 228672, 250704, 278560, 285840, 313380, 334272, 381120, 417840, 501408, 557120, 571680, 626760, 691177, 835680, 1002816, 1143360, 1253520, 1382354, 1671360, 2073531, 2507040, 2764708, 3455885, 4147062, 5014080, 5529416, 6220593, 6911770, 8294124, 10367655, 11058832, 12441186, 13823540, 16588248, 20735310, 22117664, 24882372, 27647080, 31102965, 33176496, 41470620, 44235328, 49764744, 55294160, 62205930, 66352992, 82941240, 99529488, 110588320, 124411860, 132705984, 165882480, 199058976, 221176640, 248823720, 331764960, 398117952, 497647440, 663529920, 995294880, 1990589760]

約数ペア:

[(1, 1990589760), (2, 995294880), (3, 663529920), (4, 497647440), (5, 398117952), (6, 331764960), (8, 248823720), (9, 221176640), (10, 199058976), (12, 165882480), (15, 132705984), (16, 124411860), (18, 110588320), (20, 99529488), (24, 82941240), (30, 66352992), (32, 62205930), (36, 55294160), (40, 49764744), (45, 44235328), (48, 41470620), (60, 33176496), (64, 31102965), (72, 27647080), (80, 24882372), (90, 22117664), (96, 20735310), (120, 16588248), (144, 13823540), (160, 12441186), (180, 11058832), (192, 10367655), (240, 8294124), (288, 6911770), (320, 6220593), (360, 5529416), (397, 5014080), (480, 4147062), (576, 3455885), (720, 2764708), (794, 2507040), (960, 2073531), (1191, 1671360), (1440, 1382354), (1588, 1253520), (1741, 1143360), (1985, 1002816), (2382, 835680), (2880, 691177), (3176, 626760), (3482, 571680), (3573, 557120), (3970, 501408), (4764, 417840), (5223, 381120), (5955, 334272), (6352, 313380), (6964, 285840), (7146, 278560), (7940, 250704), (8705, 228672), (9528, 208920), (10446, 190560), (11910, 167136), (12704, 156690), (13928, 142920), (14292, 139280), (15669, 127040), (15880, 125352), (17410, 114336), (17865, 111424), (19056, 104460), (20892, 95280), (23820, 83568), (25408, 78345), (26115, 76224), (27856, 71460), (28584, 69640), (31338, 63520), (31760, 62676), (34820, 57168), (35730, 55712), (38112, 52230), (41784, 47640)]