81708210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8179}}^1$

素因数の和:8232

約数の個数: 64

約数和(自身を含む): 223804800

約数和(自身を除く): 142096590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 8179, 9990, 16358, 24537, 40895, 49074, 73611, 81790, 122685, 147222, 220833, 245370, 302623, 368055, 441666, 605246, 736110, 907869, 1104165, 1513115, 1815738, 2208330, 2723607, 3026230, 4539345, 5447214, 8170821, 9078690, 13618035, 16341642, 27236070, 40854105, 81708210]

約数ペア:

[(1, 81708210), (2, 40854105), (3, 27236070), (5, 16341642), (6, 13618035), (9, 9078690), (10, 8170821), (15, 5447214), (18, 4539345), (27, 3026230), (30, 2723607), (37, 2208330), (45, 1815738), (54, 1513115), (74, 1104165), (90, 907869), (111, 736110), (135, 605246), (185, 441666), (222, 368055), (270, 302623), (333, 245370), (370, 220833), (555, 147222), (666, 122685), (999, 81790), (1110, 73611), (1665, 49074), (1998, 40895), (3330, 24537), (4995, 16358), (8179, 9990)]