51267780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1051}}^1$

素因数の和:1337

約数の個数: 72

約数和(自身を含む): 156234624

約数和(自身を除く): 104966844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1051, 1084, 1355, 1626, 2102, 2439, 2710, 3153, 3252, 4065, 4204, 4878, 5255, 5420, 6306, 8130, 9459, 9756, 10510, 12195, 12612, 15765, 16260, 18918, 21020, 24390, 31530, 37836, 47295, 48780, 63060, 94590, 189180, 284821, 569642, 854463, 1139284, 1424105, 1708926, 2563389, 2848210, 3417852, 4272315, 5126778, 5696420, 8544630, 10253556, 12816945, 17089260, 25633890, 51267780]

約数ペア:

[(1, 51267780), (2, 25633890), (3, 17089260), (4, 12816945), (5, 10253556), (6, 8544630), (9, 5696420), (10, 5126778), (12, 4272315), (15, 3417852), (18, 2848210), (20, 2563389), (30, 1708926), (36, 1424105), (45, 1139284), (60, 854463), (90, 569642), (180, 284821), (271, 189180), (542, 94590), (813, 63060), (1051, 48780), (1084, 47295), (1355, 37836), (1626, 31530), (2102, 24390), (2439, 21020), (2710, 18918), (3153, 16260), (3252, 15765), (4065, 12612), (4204, 12195), (4878, 10510), (5255, 9756), (5420, 9459), (6306, 8130)]