84742760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 197354880

約数和(自身を除く): 112612120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 71, 106, 142, 212, 265, 284, 355, 424, 530, 563, 568, 710, 1060, 1126, 1420, 2120, 2252, 2815, 2840, 3763, 4504, 5630, 7526, 11260, 15052, 18815, 22520, 29839, 30104, 37630, 39973, 59678, 75260, 79946, 119356, 149195, 150520, 159892, 199865, 238712, 298390, 319784, 399730, 596780, 799460, 1193560, 1598920, 2118569, 4237138, 8474276, 10592845, 16948552, 21185690, 42371380, 84742760]

約数ペア:

[(1, 84742760), (2, 42371380), (4, 21185690), (5, 16948552), (8, 10592845), (10, 8474276), (20, 4237138), (40, 2118569), (53, 1598920), (71, 1193560), (106, 799460), (142, 596780), (212, 399730), (265, 319784), (284, 298390), (355, 238712), (424, 199865), (530, 159892), (563, 150520), (568, 149195), (710, 119356), (1060, 79946), (1126, 75260), (1420, 59678), (2120, 39973), (2252, 37630), (2815, 30104), (2840, 29839), (3763, 22520), (4504, 18815), (5630, 15052), (7526, 11260)]