2280320

素因数分解:

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

素因数の和:535

約数の個数: 64

約数和(自身を含む): 6242400

約数和(自身を除く): 3962080

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, 280, 320, 448, 509, 560, 640, 896, 1018, 1120, 2036, 2240, 2545, 3563, 4072, 4480, 5090, 7126, 8144, 10180, 14252, 16288, 17815, 20360, 28504, 32576, 35630, 40720, 57008, 65152, 71260, 81440, 114016, 142520, 162880, 228032, 285040, 325760, 456064, 570080, 1140160, 2280320]

約数ペア:

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