87111720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1120

約数の個数: 128

約数和(自身を含む): 294336000

約数和(自身を除く): 207224280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 395, 474, 540, 632, 711, 790, 948, 1021, 1080, 1185, 1422, 1580, 1896, 2042, 2133, 2370, 2844, 3063, 3160, 3555, 4084, 4266, 4740, 5105, 5688, 6126, 7110, 8168, 8532, 9189, 9480, 10210, 10665, 12252, 14220, 15315, 17064, 18378, 20420, 21330, 24504, 27567, 28440, 30630, 36756, 40840, 42660, 45945, 55134, 61260, 73512, 80659, 85320, 91890, 110268, 122520, 137835, 161318, 183780, 220536, 241977, 275670, 322636, 367560, 403295, 483954, 551340, 645272, 725931, 806590, 967908, 1102680, 1209885, 1451862, 1613180, 1935816, 2177793, 2419770, 2903724, 3226360, 3629655, 4355586, 4839540, 5807448, 7259310, 8711172, 9679080, 10888965, 14518620, 17422344, 21777930, 29037240, 43555860, 87111720]

約数ペア:

[(1, 87111720), (2, 43555860), (3, 29037240), (4, 21777930), (5, 17422344), (6, 14518620), (8, 10888965), (9, 9679080), (10, 8711172), (12, 7259310), (15, 5807448), (18, 4839540), (20, 4355586), (24, 3629655), (27, 3226360), (30, 2903724), (36, 2419770), (40, 2177793), (45, 1935816), (54, 1613180), (60, 1451862), (72, 1209885), (79, 1102680), (90, 967908), (108, 806590), (120, 725931), (135, 645272), (158, 551340), (180, 483954), (216, 403295), (237, 367560), (270, 322636), (316, 275670), (360, 241977), (395, 220536), (474, 183780), (540, 161318), (632, 137835), (711, 122520), (790, 110268), (948, 91890), (1021, 85320), (1080, 80659), (1185, 73512), (1422, 61260), (1580, 55134), (1896, 45945), (2042, 42660), (2133, 40840), (2370, 36756), (2844, 30630), (3063, 28440), (3160, 27567), (3555, 24504), (4084, 21330), (4266, 20420), (4740, 18378), (5105, 17064), (5688, 15315), (6126, 14220), (7110, 12252), (8168, 10665), (8532, 10210), (9189, 9480)]