251872560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{991}}^1$

素因数の和:1363

約数の個数: 120

約数和(自身を含む): 849124224

約数和(自身を除く): 597251664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 353, 360, 706, 720, 991, 1059, 1412, 1765, 1982, 2118, 2824, 2973, 3177, 3530, 3964, 4236, 4955, 5295, 5648, 5946, 6354, 7060, 7928, 8472, 8919, 9910, 10590, 11892, 12708, 14120, 14865, 15856, 15885, 16944, 17838, 19820, 21180, 23784, 25416, 28240, 29730, 31770, 35676, 39640, 42360, 44595, 47568, 50832, 59460, 63540, 71352, 79280, 84720, 89190, 118920, 127080, 142704, 178380, 237840, 254160, 349823, 356760, 699646, 713520, 1049469, 1399292, 1749115, 2098938, 2798584, 3148407, 3498230, 4197876, 5247345, 5597168, 6296814, 6996460, 8395752, 10494690, 12593628, 13992920, 15742035, 16791504, 20989380, 25187256, 27985840, 31484070, 41978760, 50374512, 62968140, 83957520, 125936280, 251872560]

約数ペア:

[(1, 251872560), (2, 125936280), (3, 83957520), (4, 62968140), (5, 50374512), (6, 41978760), (8, 31484070), (9, 27985840), (10, 25187256), (12, 20989380), (15, 16791504), (16, 15742035), (18, 13992920), (20, 12593628), (24, 10494690), (30, 8395752), (36, 6996460), (40, 6296814), (45, 5597168), (48, 5247345), (60, 4197876), (72, 3498230), (80, 3148407), (90, 2798584), (120, 2098938), (144, 1749115), (180, 1399292), (240, 1049469), (353, 713520), (360, 699646), (706, 356760), (720, 349823), (991, 254160), (1059, 237840), (1412, 178380), (1765, 142704), (1982, 127080), (2118, 118920), (2824, 89190), (2973, 84720), (3177, 79280), (3530, 71352), (3964, 63540), (4236, 59460), (4955, 50832), (5295, 47568), (5648, 44595), (5946, 42360), (6354, 39640), (7060, 35676), (7928, 31770), (8472, 29730), (8919, 28240), (9910, 25416), (10590, 23784), (11892, 21180), (12708, 19820), (14120, 17838), (14865, 16944), (15856, 15885)]