38190780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 116376624

約数和(自身を除く): 78185844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 641, 662, 993, 1282, 1324, 1655, 1923, 1986, 2564, 2979, 3205, 3310, 3846, 3972, 4965, 5769, 5958, 6410, 6620, 7692, 9615, 9930, 11538, 11916, 12820, 14895, 19230, 19860, 23076, 28845, 29790, 38460, 57690, 59580, 115380, 212171, 424342, 636513, 848684, 1060855, 1273026, 1909539, 2121710, 2546052, 3182565, 3819078, 4243420, 6365130, 7638156, 9547695, 12730260, 19095390, 38190780]

約数ペア:

[(1, 38190780), (2, 19095390), (3, 12730260), (4, 9547695), (5, 7638156), (6, 6365130), (9, 4243420), (10, 3819078), (12, 3182565), (15, 2546052), (18, 2121710), (20, 1909539), (30, 1273026), (36, 1060855), (45, 848684), (60, 636513), (90, 424342), (180, 212171), (331, 115380), (641, 59580), (662, 57690), (993, 38460), (1282, 29790), (1324, 28845), (1655, 23076), (1923, 19860), (1986, 19230), (2564, 14895), (2979, 12820), (3205, 11916), (3310, 11538), (3846, 9930), (3972, 9615), (4965, 7692), (5769, 6620), (5958, 6410)]