72647960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 206668800

約数和(自身を除く): 134020840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 103, 110, 140, 154, 206, 220, 229, 280, 308, 385, 412, 440, 458, 515, 616, 721, 770, 824, 916, 1030, 1133, 1145, 1442, 1540, 1603, 1832, 2060, 2266, 2290, 2519, 2884, 3080, 3206, 3605, 4120, 4532, 4580, 5038, 5665, 5768, 6412, 7210, 7931, 8015, 9064, 9160, 10076, 11330, 12595, 12824, 14420, 15862, 16030, 17633, 20152, 22660, 23587, 25190, 28840, 31724, 32060, 35266, 39655, 45320, 47174, 50380, 63448, 64120, 70532, 79310, 88165, 94348, 100760, 117935, 141064, 158620, 165109, 176330, 188696, 235870, 259457, 317240, 330218, 352660, 471740, 518914, 660436, 705320, 825545, 943480, 1037828, 1297285, 1320872, 1651090, 1816199, 2075656, 2594570, 3302180, 3632398, 5189140, 6604360, 7264796, 9080995, 10378280, 14529592, 18161990, 36323980, 72647960]

約数ペア:

[(1, 72647960), (2, 36323980), (4, 18161990), (5, 14529592), (7, 10378280), (8, 9080995), (10, 7264796), (11, 6604360), (14, 5189140), (20, 3632398), (22, 3302180), (28, 2594570), (35, 2075656), (40, 1816199), (44, 1651090), (55, 1320872), (56, 1297285), (70, 1037828), (77, 943480), (88, 825545), (103, 705320), (110, 660436), (140, 518914), (154, 471740), (206, 352660), (220, 330218), (229, 317240), (280, 259457), (308, 235870), (385, 188696), (412, 176330), (440, 165109), (458, 158620), (515, 141064), (616, 117935), (721, 100760), (770, 94348), (824, 88165), (916, 79310), (1030, 70532), (1133, 64120), (1145, 63448), (1442, 50380), (1540, 47174), (1603, 45320), (1832, 39655), (2060, 35266), (2266, 32060), (2290, 31724), (2519, 28840), (2884, 25190), (3080, 23587), (3206, 22660), (3605, 20152), (4120, 17633), (4532, 16030), (4580, 15862), (5038, 14420), (5665, 12824), (5768, 12595), (6412, 11330), (7210, 10076), (7931, 9160), (8015, 9064)]