71680640

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2383}}^1$

素因数の和:2449

約数の個数: 64

約数和(自身を含む): 175080960

約数和(自身を除く): 103400320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 2383, 3008, 3760, 4766, 6016, 7520, 9532, 11915, 15040, 19064, 23830, 30080, 38128, 47660, 76256, 95320, 112001, 152512, 190640, 224002, 305024, 381280, 448004, 560005, 762560, 896008, 1120010, 1525120, 1792016, 2240020, 3584032, 4480040, 7168064, 8960080, 14336128, 17920160, 35840320, 71680640]

約数ペア:

[(1, 71680640), (2, 35840320), (4, 17920160), (5, 14336128), (8, 8960080), (10, 7168064), (16, 4480040), (20, 3584032), (32, 2240020), (40, 1792016), (47, 1525120), (64, 1120010), (80, 896008), (94, 762560), (128, 560005), (160, 448004), (188, 381280), (235, 305024), (320, 224002), (376, 190640), (470, 152512), (640, 112001), (752, 95320), (940, 76256), (1504, 47660), (1880, 38128), (2383, 30080), (3008, 23830), (3760, 19064), (4766, 15040), (6016, 11915), (7520, 9532)]