78422520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 128

約数和(自身を含む): 259303680

約数和(自身を除く): 180881160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 491, 605, 660, 726, 968, 982, 1210, 1320, 1331, 1452, 1473, 1815, 1964, 2420, 2455, 2662, 2904, 2946, 3630, 3928, 3993, 4840, 4910, 5324, 5401, 5892, 6655, 7260, 7365, 7986, 9820, 10648, 10802, 11784, 13310, 14520, 14730, 15972, 16203, 19640, 19965, 21604, 26620, 27005, 29460, 31944, 32406, 39930, 43208, 53240, 54010, 58920, 59411, 64812, 79860, 81015, 108020, 118822, 129624, 159720, 162030, 178233, 216040, 237644, 297055, 324060, 356466, 475288, 594110, 648120, 653521, 712932, 891165, 1188220, 1307042, 1425864, 1782330, 1960563, 2376440, 2614084, 3267605, 3564660, 3921126, 5228168, 6535210, 7129320, 7842252, 9802815, 13070420, 15684504, 19605630, 26140840, 39211260, 78422520]

約数ペア:

[(1, 78422520), (2, 39211260), (3, 26140840), (4, 19605630), (5, 15684504), (6, 13070420), (8, 9802815), (10, 7842252), (11, 7129320), (12, 6535210), (15, 5228168), (20, 3921126), (22, 3564660), (24, 3267605), (30, 2614084), (33, 2376440), (40, 1960563), (44, 1782330), (55, 1425864), (60, 1307042), (66, 1188220), (88, 891165), (110, 712932), (120, 653521), (121, 648120), (132, 594110), (165, 475288), (220, 356466), (242, 324060), (264, 297055), (330, 237644), (363, 216040), (440, 178233), (484, 162030), (491, 159720), (605, 129624), (660, 118822), (726, 108020), (968, 81015), (982, 79860), (1210, 64812), (1320, 59411), (1331, 58920), (1452, 54010), (1473, 53240), (1815, 43208), (1964, 39930), (2420, 32406), (2455, 31944), (2662, 29460), (2904, 27005), (2946, 26620), (3630, 21604), (3928, 19965), (3993, 19640), (4840, 16203), (4910, 15972), (5324, 14730), (5401, 14520), (5892, 13310), (6655, 11784), (7260, 10802), (7365, 10648), (7986, 9820)]