81858600

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 240

約数和(自身を含む): 295278720

約数和(自身を除く): 213420120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 31, 36, 40, 45, 50, 54, 60, 62, 72, 75, 81, 90, 93, 100, 108, 120, 124, 135, 150, 155, 162, 163, 180, 186, 200, 216, 225, 248, 270, 279, 300, 310, 324, 326, 360, 372, 405, 450, 465, 489, 540, 558, 600, 620, 648, 652, 675, 744, 775, 810, 815, 837, 900, 930, 978, 1080, 1116, 1240, 1304, 1350, 1395, 1467, 1550, 1620, 1630, 1674, 1800, 1860, 1956, 2025, 2232, 2325, 2445, 2511, 2700, 2790, 2934, 3100, 3240, 3260, 3348, 3720, 3912, 4050, 4075, 4185, 4401, 4650, 4890, 5022, 5053, 5400, 5580, 5868, 6200, 6520, 6696, 6975, 7335, 8100, 8150, 8370, 8802, 9300, 9780, 10044, 10106, 11160, 11736, 12225, 12555, 13203, 13950, 14670, 15159, 16200, 16300, 16740, 17604, 18600, 19560, 20088, 20212, 20925, 22005, 24450, 25110, 25265, 26406, 27900, 29340, 30318, 32600, 33480, 35208, 36675, 40424, 41850, 44010, 45477, 48900, 50220, 50530, 52812, 55800, 58680, 60636, 62775, 66015, 73350, 75795, 83700, 88020, 90954, 97800, 100440, 101060, 105624, 110025, 121272, 125550, 126325, 132030, 136431, 146700, 151590, 167400, 176040, 181908, 202120, 220050, 227385, 251100, 252650, 264060, 272862, 293400, 303180, 330075, 363816, 378975, 409293, 440100, 454770, 502200, 505300, 528120, 545724, 606360, 660150, 682155, 757950, 818586, 880200, 909540, 1010600, 1091448, 1136925, 1320300, 1364310, 1515900, 1637172, 1819080, 2046465, 2273850, 2640600, 2728620, 3031800, 3274344, 3410775, 4092930, 4547700, 5457240, 6821550, 8185860, 9095400, 10232325, 13643100, 16371720, 20464650, 27286200, 40929300, 81858600]

約数ペア:

[(1, 81858600), (2, 40929300), (3, 27286200), (4, 20464650), (5, 16371720), (6, 13643100), (8, 10232325), (9, 9095400), (10, 8185860), (12, 6821550), (15, 5457240), (18, 4547700), (20, 4092930), (24, 3410775), (25, 3274344), (27, 3031800), (30, 2728620), (31, 2640600), (36, 2273850), (40, 2046465), (45, 1819080), (50, 1637172), (54, 1515900), (60, 1364310), (62, 1320300), (72, 1136925), (75, 1091448), (81, 1010600), (90, 909540), (93, 880200), (100, 818586), (108, 757950), (120, 682155), (124, 660150), (135, 606360), (150, 545724), (155, 528120), (162, 505300), (163, 502200), (180, 454770), (186, 440100), (200, 409293), (216, 378975), (225, 363816), (248, 330075), (270, 303180), (279, 293400), (300, 272862), (310, 264060), (324, 252650), (326, 251100), (360, 227385), (372, 220050), (405, 202120), (450, 181908), (465, 176040), (489, 167400), (540, 151590), (558, 146700), (600, 136431), (620, 132030), (648, 126325), (652, 125550), (675, 121272), (744, 110025), (775, 105624), (810, 101060), (815, 100440), (837, 97800), (900, 90954), (930, 88020), (978, 83700), (1080, 75795), (1116, 73350), (1240, 66015), (1304, 62775), (1350, 60636), (1395, 58680), (1467, 55800), (1550, 52812), (1620, 50530), (1630, 50220), (1674, 48900), (1800, 45477), (1860, 44010), (1956, 41850), (2025, 40424), (2232, 36675), (2325, 35208), (2445, 33480), (2511, 32600), (2700, 30318), (2790, 29340), (2934, 27900), (3100, 26406), (3240, 25265), (3260, 25110), (3348, 24450), (3720, 22005), (3912, 20925), (4050, 20212), (4075, 20088), (4185, 19560), (4401, 18600), (4650, 17604), (4890, 16740), (5022, 16300), (5053, 16200), (5400, 15159), (5580, 14670), (5868, 13950), (6200, 13203), (6520, 12555), (6696, 12225), (6975, 11736), (7335, 11160), (8100, 10106), (8150, 10044), (8370, 9780), (8802, 9300)]