161991360

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{18749}}^1$

素因数の和:18775

約数の個数: 112

約数和(自身を含む): 571500000

約数和(自身を除く): 409508640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 18749, 37498, 56247, 74996, 93745, 112494, 149992, 168741, 187490, 224988, 281235, 299984, 337482, 374980, 449976, 506223, 562470, 599968, 674964, 749960, 843705, 899952, 1012446, 1124940, 1199936, 1349928, 1499920, 1687410, 1799904, 2024892, 2249880, 2531115, 2699856, 2999840, 3374820, 3599808, 4049784, 4499760, 5062230, 5399712, 5999680, 6749640, 8099568, 8999520, 10124460, 10799424, 13499280, 16199136, 17999040, 20248920, 26998560, 32398272, 40497840, 53997120, 80995680, 161991360]

約数ペア:

[(1, 161991360), (2, 80995680), (3, 53997120), (4, 40497840), (5, 32398272), (6, 26998560), (8, 20248920), (9, 17999040), (10, 16199136), (12, 13499280), (15, 10799424), (16, 10124460), (18, 8999520), (20, 8099568), (24, 6749640), (27, 5999680), (30, 5399712), (32, 5062230), (36, 4499760), (40, 4049784), (45, 3599808), (48, 3374820), (54, 2999840), (60, 2699856), (64, 2531115), (72, 2249880), (80, 2024892), (90, 1799904), (96, 1687410), (108, 1499920), (120, 1349928), (135, 1199936), (144, 1124940), (160, 1012446), (180, 899952), (192, 843705), (216, 749960), (240, 674964), (270, 599968), (288, 562470), (320, 506223), (360, 449976), (432, 374980), (480, 337482), (540, 299984), (576, 281235), (720, 224988), (864, 187490), (960, 168741), (1080, 149992), (1440, 112494), (1728, 93745), (2160, 74996), (2880, 56247), (4320, 37498), (8640, 18749)]