4560640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{509}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 12509280

約数和(自身を除く): 7948640

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, 509, 560, 640, 896, 1018, 1120, 1280, 1792, 2036, 2240, 2545, 3563, 4072, 4480, 5090, 7126, 8144, 8960, 10180, 14252, 16288, 17815, 20360, 28504, 32576, 35630, 40720, 57008, 65152, 71260, 81440, 114016, 130304, 142520, 162880, 228032, 285040, 325760, 456064, 570080, 651520, 912128, 1140160, 2280320, 4560640]

約数ペア:

[(1, 4560640), (2, 2280320), (4, 1140160), (5, 912128), (7, 651520), (8, 570080), (10, 456064), (14, 325760), (16, 285040), (20, 228032), (28, 162880), (32, 142520), (35, 130304), (40, 114016), (56, 81440), (64, 71260), (70, 65152), (80, 57008), (112, 40720), (128, 35630), (140, 32576), (160, 28504), (224, 20360), (256, 17815), (280, 16288), (320, 14252), (448, 10180), (509, 8960), (560, 8144), (640, 7126), (896, 5090), (1018, 4480), (1120, 4072), (1280, 3563), (1792, 2545), (2036, 2240)]