247353480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 256

約数和(自身を含む): 920678400

約数和(自身を除く): 673324920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 47, 54, 55, 60, 66, 72, 88, 90, 94, 99, 108, 110, 120, 132, 135, 141, 165, 180, 188, 198, 216, 220, 235, 264, 270, 282, 297, 330, 360, 376, 396, 423, 440, 443, 470, 495, 517, 540, 564, 594, 660, 705, 792, 846, 886, 940, 990, 1034, 1080, 1128, 1188, 1269, 1320, 1329, 1410, 1485, 1551, 1692, 1772, 1880, 1980, 2068, 2115, 2215, 2376, 2538, 2585, 2658, 2820, 2970, 3102, 3384, 3544, 3960, 3987, 4136, 4230, 4430, 4653, 4873, 5076, 5170, 5316, 5640, 5940, 6204, 6345, 6645, 7755, 7974, 8460, 8860, 9306, 9746, 10152, 10340, 10632, 11880, 11961, 12408, 12690, 13290, 13959, 14619, 15510, 15948, 16920, 17720, 18612, 19492, 19935, 20680, 20821, 23265, 23922, 24365, 25380, 26580, 27918, 29238, 31020, 31896, 37224, 38984, 39870, 41642, 43857, 46530, 47844, 48730, 50760, 53160, 55836, 58476, 59805, 62040, 62463, 69795, 73095, 79740, 83284, 87714, 93060, 95688, 97460, 104105, 111672, 116952, 119610, 124926, 131571, 139590, 146190, 159480, 166568, 175428, 186120, 187389, 194920, 208210, 219285, 229031, 239220, 249852, 263142, 279180, 292380, 312315, 350856, 374778, 416420, 438570, 458062, 478440, 499704, 526284, 558360, 562167, 584760, 624630, 657855, 687093, 749556, 832840, 877140, 916124, 936945, 1052568, 1124334, 1145155, 1249260, 1315710, 1374186, 1499112, 1754280, 1832248, 1873890, 2061279, 2248668, 2290310, 2498520, 2631420, 2748372, 2810835, 3435465, 3747780, 4122558, 4497336, 4580620, 5262840, 5496744, 5621670, 6183837, 6870930, 7495560, 8245116, 9161240, 10306395, 11243340, 12367674, 13741860, 16490232, 20612790, 22486680, 24735348, 27483720, 30919185, 41225580, 49470696, 61838370, 82451160, 123676740, 247353480]

約数ペア:

[(1, 247353480), (2, 123676740), (3, 82451160), (4, 61838370), (5, 49470696), (6, 41225580), (8, 30919185), (9, 27483720), (10, 24735348), (11, 22486680), (12, 20612790), (15, 16490232), (18, 13741860), (20, 12367674), (22, 11243340), (24, 10306395), (27, 9161240), (30, 8245116), (33, 7495560), (36, 6870930), (40, 6183837), (44, 5621670), (45, 5496744), (47, 5262840), (54, 4580620), (55, 4497336), (60, 4122558), (66, 3747780), (72, 3435465), (88, 2810835), (90, 2748372), (94, 2631420), (99, 2498520), (108, 2290310), (110, 2248668), (120, 2061279), (132, 1873890), (135, 1832248), (141, 1754280), (165, 1499112), (180, 1374186), (188, 1315710), (198, 1249260), (216, 1145155), (220, 1124334), (235, 1052568), (264, 936945), (270, 916124), (282, 877140), (297, 832840), (330, 749556), (360, 687093), (376, 657855), (396, 624630), (423, 584760), (440, 562167), (443, 558360), (470, 526284), (495, 499704), (517, 478440), (540, 458062), (564, 438570), (594, 416420), (660, 374778), (705, 350856), (792, 312315), (846, 292380), (886, 279180), (940, 263142), (990, 249852), (1034, 239220), (1080, 229031), (1128, 219285), (1188, 208210), (1269, 194920), (1320, 187389), (1329, 186120), (1410, 175428), (1485, 166568), (1551, 159480), (1692, 146190), (1772, 139590), (1880, 131571), (1980, 124926), (2068, 119610), (2115, 116952), (2215, 111672), (2376, 104105), (2538, 97460), (2585, 95688), (2658, 93060), (2820, 87714), (2970, 83284), (3102, 79740), (3384, 73095), (3544, 69795), (3960, 62463), (3987, 62040), (4136, 59805), (4230, 58476), (4430, 55836), (4653, 53160), (4873, 50760), (5076, 48730), (5170, 47844), (5316, 46530), (5640, 43857), (5940, 41642), (6204, 39870), (6345, 38984), (6645, 37224), (7755, 31896), (7974, 31020), (8460, 29238), (8860, 27918), (9306, 26580), (9746, 25380), (10152, 24365), (10340, 23922), (10632, 23265), (11880, 20821), (11961, 20680), (12408, 19935), (12690, 19492), (13290, 18612), (13959, 17720), (14619, 16920), (15510, 15948)]