261461640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1637}}^1$

素因数の和:1684

約数の個数: 128

約数和(自身を含む): 863291520

約数和(自身を除く): 601829880

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, 605, 660, 726, 968, 1210, 1320, 1331, 1452, 1637, 1815, 2420, 2662, 2904, 3274, 3630, 3993, 4840, 4911, 5324, 6548, 6655, 7260, 7986, 8185, 9822, 10648, 13096, 13310, 14520, 15972, 16370, 18007, 19644, 19965, 24555, 26620, 31944, 32740, 36014, 39288, 39930, 49110, 53240, 54021, 65480, 72028, 79860, 90035, 98220, 108042, 144056, 159720, 180070, 196440, 198077, 216084, 270105, 360140, 396154, 432168, 540210, 594231, 720280, 792308, 990385, 1080420, 1188462, 1584616, 1980770, 2160840, 2178847, 2376924, 2971155, 3961540, 4357694, 4753848, 5942310, 6536541, 7923080, 8715388, 10894235, 11884620, 13073082, 17430776, 21788470, 23769240, 26146164, 32682705, 43576940, 52292328, 65365410, 87153880, 130730820, 261461640]

約数ペア:

[(1, 261461640), (2, 130730820), (3, 87153880), (4, 65365410), (5, 52292328), (6, 43576940), (8, 32682705), (10, 26146164), (11, 23769240), (12, 21788470), (15, 17430776), (20, 13073082), (22, 11884620), (24, 10894235), (30, 8715388), (33, 7923080), (40, 6536541), (44, 5942310), (55, 4753848), (60, 4357694), (66, 3961540), (88, 2971155), (110, 2376924), (120, 2178847), (121, 2160840), (132, 1980770), (165, 1584616), (220, 1188462), (242, 1080420), (264, 990385), (330, 792308), (363, 720280), (440, 594231), (484, 540210), (605, 432168), (660, 396154), (726, 360140), (968, 270105), (1210, 216084), (1320, 198077), (1331, 196440), (1452, 180070), (1637, 159720), (1815, 144056), (2420, 108042), (2662, 98220), (2904, 90035), (3274, 79860), (3630, 72028), (3993, 65480), (4840, 54021), (4911, 53240), (5324, 49110), (6548, 39930), (6655, 39288), (7260, 36014), (7986, 32740), (8185, 31944), (9822, 26620), (10648, 24555), (13096, 19965), (13310, 19644), (14520, 18007), (15972, 16370)]