81288072

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 231828480

約数和(自身を除く): 150540408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 191, 207, 257, 276, 382, 414, 514, 552, 573, 764, 771, 828, 1028, 1146, 1528, 1542, 1656, 1719, 2056, 2292, 2313, 3084, 3438, 4393, 4584, 4626, 5911, 6168, 6876, 8786, 9252, 11822, 13179, 13752, 17572, 17733, 18504, 23644, 26358, 35144, 35466, 39537, 47288, 49087, 52716, 53199, 70932, 79074, 98174, 105432, 106398, 141864, 147261, 158148, 196348, 212796, 294522, 316296, 392696, 425592, 441783, 589044, 883566, 1129001, 1178088, 1767132, 2258002, 3387003, 3534264, 4516004, 6774006, 9032008, 10161009, 13548012, 20322018, 27096024, 40644036, 81288072]

約数ペア:

[(1, 81288072), (2, 40644036), (3, 27096024), (4, 20322018), (6, 13548012), (8, 10161009), (9, 9032008), (12, 6774006), (18, 4516004), (23, 3534264), (24, 3387003), (36, 2258002), (46, 1767132), (69, 1178088), (72, 1129001), (92, 883566), (138, 589044), (184, 441783), (191, 425592), (207, 392696), (257, 316296), (276, 294522), (382, 212796), (414, 196348), (514, 158148), (552, 147261), (573, 141864), (764, 106398), (771, 105432), (828, 98174), (1028, 79074), (1146, 70932), (1528, 53199), (1542, 52716), (1656, 49087), (1719, 47288), (2056, 39537), (2292, 35466), (2313, 35144), (3084, 26358), (3438, 23644), (4393, 18504), (4584, 17733), (4626, 17572), (5911, 13752), (6168, 13179), (6876, 11822), (8786, 9252)]