81159720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3541}}^1$

素因数の和:3746

約数の個数: 64

約数和(自身を含む): 244823040

約数和(自身を除く): 163663320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 955, 1146, 1528, 1910, 2292, 2865, 3541, 3820, 4584, 5730, 7082, 7640, 10623, 11460, 14164, 17705, 21246, 22920, 28328, 35410, 42492, 53115, 70820, 84984, 106230, 141640, 212460, 424920, 676331, 1352662, 2028993, 2705324, 3381655, 4057986, 5410648, 6763310, 8115972, 10144965, 13526620, 16231944, 20289930, 27053240, 40579860, 81159720]

約数ペア:

[(1, 81159720), (2, 40579860), (3, 27053240), (4, 20289930), (5, 16231944), (6, 13526620), (8, 10144965), (10, 8115972), (12, 6763310), (15, 5410648), (20, 4057986), (24, 3381655), (30, 2705324), (40, 2028993), (60, 1352662), (120, 676331), (191, 424920), (382, 212460), (573, 141640), (764, 106230), (955, 84984), (1146, 70820), (1528, 53115), (1910, 42492), (2292, 35410), (2865, 28328), (3541, 22920), (3820, 21246), (4584, 17705), (5730, 14164), (7082, 11460), (7640, 10623)]