68481280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{7643}}^1$

素因数の和:7671

約数の個数: 72

約数和(自身を含む): 187492032

約数和(自身を除く): 119010752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 7643, 8960, 15286, 30572, 38215, 53501, 61144, 76430, 107002, 122288, 152860, 214004, 244576, 267505, 305720, 428008, 489152, 535010, 611440, 856016, 978304, 1070020, 1222880, 1712032, 1956608, 2140040, 2445760, 3424064, 4280080, 4891520, 6848128, 8560160, 9783040, 13696256, 17120320, 34240640, 68481280]

約数ペア:

[(1, 68481280), (2, 34240640), (4, 17120320), (5, 13696256), (7, 9783040), (8, 8560160), (10, 6848128), (14, 4891520), (16, 4280080), (20, 3424064), (28, 2445760), (32, 2140040), (35, 1956608), (40, 1712032), (56, 1222880), (64, 1070020), (70, 978304), (80, 856016), (112, 611440), (128, 535010), (140, 489152), (160, 428008), (224, 305720), (256, 267505), (280, 244576), (320, 214004), (448, 152860), (560, 122288), (640, 107002), (896, 76430), (1120, 61144), (1280, 53501), (1792, 38215), (2240, 30572), (4480, 15286), (7643, 8960)]