81571170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 200309760

約数和(自身を除く): 118738590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 137, 178, 223, 267, 274, 411, 445, 446, 534, 669, 685, 822, 890, 1115, 1335, 1338, 1370, 2055, 2230, 2670, 3345, 4110, 6690, 12193, 19847, 24386, 30551, 36579, 39694, 59541, 60965, 61102, 73158, 91653, 99235, 119082, 121930, 152755, 182895, 183306, 198470, 297705, 305510, 365790, 458265, 595410, 916530, 2719039, 5438078, 8157117, 13595195, 16314234, 27190390, 40785585, 81571170]

約数ペア:

[(1, 81571170), (2, 40785585), (3, 27190390), (5, 16314234), (6, 13595195), (10, 8157117), (15, 5438078), (30, 2719039), (89, 916530), (137, 595410), (178, 458265), (223, 365790), (267, 305510), (274, 297705), (411, 198470), (445, 183306), (446, 182895), (534, 152755), (669, 121930), (685, 119082), (822, 99235), (890, 91653), (1115, 73158), (1335, 61102), (1338, 60965), (1370, 59541), (2055, 39694), (2230, 36579), (2670, 30551), (3345, 24386), (4110, 19847), (6690, 12193)]