261617520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{6301}}^1$

素因数の和:6490

約数の個数: 80

約数和(自身を含む): 815831712

約数和(自身を除く): 554214192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 519, 692, 865, 1038, 1384, 1730, 2076, 2595, 2768, 3460, 4152, 5190, 6301, 6920, 8304, 10380, 12602, 13840, 18903, 20760, 25204, 31505, 37806, 41520, 50408, 63010, 75612, 94515, 100816, 126020, 151224, 189030, 252040, 302448, 378060, 504080, 756120, 1090073, 1512240, 2180146, 3270219, 4360292, 5450365, 6540438, 8720584, 10900730, 13080876, 16351095, 17441168, 21801460, 26161752, 32702190, 43602920, 52323504, 65404380, 87205840, 130808760, 261617520]

約数ペア:

[(1, 261617520), (2, 130808760), (3, 87205840), (4, 65404380), (5, 52323504), (6, 43602920), (8, 32702190), (10, 26161752), (12, 21801460), (15, 17441168), (16, 16351095), (20, 13080876), (24, 10900730), (30, 8720584), (40, 6540438), (48, 5450365), (60, 4360292), (80, 3270219), (120, 2180146), (173, 1512240), (240, 1090073), (346, 756120), (519, 504080), (692, 378060), (865, 302448), (1038, 252040), (1384, 189030), (1730, 151224), (2076, 126020), (2595, 100816), (2768, 94515), (3460, 75612), (4152, 63010), (5190, 50408), (6301, 41520), (6920, 37806), (8304, 31505), (10380, 25204), (12602, 20760), (13840, 18903)]