66488220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19441}}^1$

素因数の和:19475

約数の個数: 72

約数和(自身を含む): 212306640

約数和(自身を除く): 145818420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 19441, 38882, 58323, 77764, 97205, 116646, 174969, 194410, 233292, 291615, 349938, 369379, 388820, 583230, 699876, 738758, 874845, 1108137, 1166460, 1477516, 1749690, 1846895, 2216274, 3324411, 3499380, 3693790, 4432548, 5540685, 6648822, 7387580, 11081370, 13297644, 16622055, 22162740, 33244110, 66488220]

約数ペア:

[(1, 66488220), (2, 33244110), (3, 22162740), (4, 16622055), (5, 13297644), (6, 11081370), (9, 7387580), (10, 6648822), (12, 5540685), (15, 4432548), (18, 3693790), (19, 3499380), (20, 3324411), (30, 2216274), (36, 1846895), (38, 1749690), (45, 1477516), (57, 1166460), (60, 1108137), (76, 874845), (90, 738758), (95, 699876), (114, 583230), (171, 388820), (180, 369379), (190, 349938), (228, 291615), (285, 233292), (342, 194410), (380, 174969), (570, 116646), (684, 97205), (855, 77764), (1140, 58323), (1710, 38882), (3420, 19441)]