1900191960

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{195493}}^1$

素因数の和:195519

約数の個数: 96

約数和(自身を含む): 6404383440

約数和(自身を除く): 4504191480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 195493, 390986, 586479, 781972, 977465, 1172958, 1563944, 1759437, 1954930, 2345916, 2932395, 3518874, 3909860, 4691832, 5278311, 5864790, 7037748, 7819720, 8797185, 10556622, 11729580, 14075496, 15834933, 17594370, 21113244, 23459160, 26391555, 31669866, 35188740, 42226488, 47504799, 52783110, 63339732, 70377480, 79174665, 95009598, 105566220, 126679464, 158349330, 190019196, 211132440, 237523995, 316698660, 380038392, 475047990, 633397320, 950095980, 1900191960]

約数ペア:

[(1, 1900191960), (2, 950095980), (3, 633397320), (4, 475047990), (5, 380038392), (6, 316698660), (8, 237523995), (9, 211132440), (10, 190019196), (12, 158349330), (15, 126679464), (18, 105566220), (20, 95009598), (24, 79174665), (27, 70377480), (30, 63339732), (36, 52783110), (40, 47504799), (45, 42226488), (54, 35188740), (60, 31669866), (72, 26391555), (81, 23459160), (90, 21113244), (108, 17594370), (120, 15834933), (135, 14075496), (162, 11729580), (180, 10556622), (216, 8797185), (243, 7819720), (270, 7037748), (324, 5864790), (360, 5278311), (405, 4691832), (486, 3909860), (540, 3518874), (648, 2932395), (810, 2345916), (972, 1954930), (1080, 1759437), (1215, 1563944), (1620, 1172958), (1944, 977465), (2430, 781972), (3240, 586479), (4860, 390986), (9720, 195493)]