159880000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{571}}^1$

素因数の和:610

約数の個数: 140

約数和(自身を含む): 453879712

約数和(自身を除く): 293999712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 571, 625, 700, 800, 875, 1000, 1120, 1142, 1250, 1400, 1600, 1750, 2000, 2240, 2284, 2500, 2800, 2855, 3500, 3997, 4000, 4375, 4568, 5000, 5600, 5710, 7000, 7994, 8000, 8750, 9136, 10000, 11200, 11420, 14000, 14275, 15988, 17500, 18272, 19985, 20000, 22840, 28000, 28550, 31976, 35000, 36544, 39970, 40000, 45680, 56000, 57100, 63952, 70000, 71375, 79940, 91360, 99925, 114200, 127904, 140000, 142750, 159880, 182720, 199850, 228400, 255808, 280000, 285500, 319760, 356875, 399700, 456800, 499625, 571000, 639520, 713750, 799400, 913600, 999250, 1142000, 1279040, 1427500, 1598800, 1998500, 2284000, 2498125, 2855000, 3197600, 3997000, 4568000, 4996250, 5710000, 6395200, 7994000, 9992500, 11420000, 15988000, 19985000, 22840000, 31976000, 39970000, 79940000, 159880000]

約数ペア:

[(1, 159880000), (2, 79940000), (4, 39970000), (5, 31976000), (7, 22840000), (8, 19985000), (10, 15988000), (14, 11420000), (16, 9992500), (20, 7994000), (25, 6395200), (28, 5710000), (32, 4996250), (35, 4568000), (40, 3997000), (50, 3197600), (56, 2855000), (64, 2498125), (70, 2284000), (80, 1998500), (100, 1598800), (112, 1427500), (125, 1279040), (140, 1142000), (160, 999250), (175, 913600), (200, 799400), (224, 713750), (250, 639520), (280, 571000), (320, 499625), (350, 456800), (400, 399700), (448, 356875), (500, 319760), (560, 285500), (571, 280000), (625, 255808), (700, 228400), (800, 199850), (875, 182720), (1000, 159880), (1120, 142750), (1142, 140000), (1250, 127904), (1400, 114200), (1600, 99925), (1750, 91360), (2000, 79940), (2240, 71375), (2284, 70000), (2500, 63952), (2800, 57100), (2855, 56000), (3500, 45680), (3997, 40000), (4000, 39970), (4375, 36544), (4568, 35000), (5000, 31976), (5600, 28550), (5710, 28000), (7000, 22840), (7994, 20000), (8000, 19985), (8750, 18272), (9136, 17500), (10000, 15988), (11200, 14275), (11420, 14000)]