91920640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{10259}}^1$

素因数の和:10287

約数の個数: 72

約数和(自身を含む): 251657280

約数和(自身を除く): 159736640

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, 8960, 10259, 20518, 41036, 51295, 71813, 82072, 102590, 143626, 164144, 205180, 287252, 328288, 359065, 410360, 574504, 656576, 718130, 820720, 1149008, 1313152, 1436260, 1641440, 2298016, 2626304, 2872520, 3282880, 4596032, 5745040, 6565760, 9192064, 11490080, 13131520, 18384128, 22980160, 45960320, 91920640]

約数ペア:

[(1, 91920640), (2, 45960320), (4, 22980160), (5, 18384128), (7, 13131520), (8, 11490080), (10, 9192064), (14, 6565760), (16, 5745040), (20, 4596032), (28, 3282880), (32, 2872520), (35, 2626304), (40, 2298016), (56, 1641440), (64, 1436260), (70, 1313152), (80, 1149008), (112, 820720), (128, 718130), (140, 656576), (160, 574504), (224, 410360), (256, 359065), (280, 328288), (320, 287252), (448, 205180), (560, 164144), (640, 143626), (896, 102590), (1120, 82072), (1280, 71813), (1792, 51295), (2240, 41036), (4480, 20518), (8960, 10259)]