158769920

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5393}}^1$

素因数の和:5437

約数の個数: 72

約数和(自身を含む): 396912096

約数和(自身を除く): 238142176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5393, 5888, 7360, 10786, 14720, 21572, 26965, 29440, 43144, 53930, 86288, 107860, 124039, 172576, 215720, 248078, 345152, 431440, 496156, 620195, 690304, 862880, 992312, 1240390, 1380608, 1725760, 1984624, 2480780, 3451520, 3969248, 4961560, 6903040, 7938496, 9923120, 15876992, 19846240, 31753984, 39692480, 79384960, 158769920]

約数ペア:

[(1, 158769920), (2, 79384960), (4, 39692480), (5, 31753984), (8, 19846240), (10, 15876992), (16, 9923120), (20, 7938496), (23, 6903040), (32, 4961560), (40, 3969248), (46, 3451520), (64, 2480780), (80, 1984624), (92, 1725760), (115, 1380608), (128, 1240390), (160, 992312), (184, 862880), (230, 690304), (256, 620195), (320, 496156), (368, 431440), (460, 345152), (640, 248078), (736, 215720), (920, 172576), (1280, 124039), (1472, 107860), (1840, 86288), (2944, 53930), (3680, 43144), (5393, 29440), (5888, 26965), (7360, 21572), (10786, 14720)]