208587840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 224

約数和(自身を含む): 703819776

約数和(自身を除く): 495231936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 43, 48, 60, 62, 64, 80, 86, 93, 96, 120, 124, 129, 155, 160, 163, 172, 186, 192, 215, 240, 248, 258, 310, 320, 326, 344, 372, 430, 465, 480, 489, 496, 516, 620, 645, 652, 688, 744, 815, 860, 930, 960, 978, 992, 1032, 1240, 1290, 1304, 1333, 1376, 1488, 1630, 1720, 1860, 1956, 1984, 2064, 2445, 2480, 2580, 2608, 2666, 2752, 2976, 3260, 3440, 3720, 3912, 3999, 4128, 4890, 4960, 5053, 5160, 5216, 5332, 5952, 6520, 6665, 6880, 7009, 7440, 7824, 7998, 8256, 9780, 9920, 10106, 10320, 10432, 10664, 13040, 13330, 13760, 14018, 14880, 15159, 15648, 15996, 19560, 19995, 20212, 20640, 21027, 21328, 25265, 26080, 26660, 28036, 29760, 30318, 31296, 31992, 35045, 39120, 39990, 40424, 41280, 42054, 42656, 50530, 52160, 53320, 56072, 60636, 63984, 70090, 75795, 78240, 79980, 80848, 84108, 85312, 101060, 105135, 106640, 112144, 121272, 127968, 140180, 151590, 156480, 159960, 161696, 168216, 202120, 210270, 213280, 217279, 224288, 242544, 255936, 280360, 303180, 319920, 323392, 336432, 404240, 420540, 426560, 434558, 448576, 485088, 560720, 606360, 639840, 651837, 672864, 808480, 841080, 869116, 970176, 1086395, 1121440, 1212720, 1279680, 1303674, 1345728, 1616960, 1682160, 1738232, 2172790, 2242880, 2425440, 2607348, 3259185, 3364320, 3476464, 4345580, 4850880, 5214696, 6518370, 6728640, 6952928, 8691160, 10429392, 13036740, 13905856, 17382320, 20858784, 26073480, 34764640, 41717568, 52146960, 69529280, 104293920, 208587840]

約数ペア:

[(1, 208587840), (2, 104293920), (3, 69529280), (4, 52146960), (5, 41717568), (6, 34764640), (8, 26073480), (10, 20858784), (12, 17382320), (15, 13905856), (16, 13036740), (20, 10429392), (24, 8691160), (30, 6952928), (31, 6728640), (32, 6518370), (40, 5214696), (43, 4850880), (48, 4345580), (60, 3476464), (62, 3364320), (64, 3259185), (80, 2607348), (86, 2425440), (93, 2242880), (96, 2172790), (120, 1738232), (124, 1682160), (129, 1616960), (155, 1345728), (160, 1303674), (163, 1279680), (172, 1212720), (186, 1121440), (192, 1086395), (215, 970176), (240, 869116), (248, 841080), (258, 808480), (310, 672864), (320, 651837), (326, 639840), (344, 606360), (372, 560720), (430, 485088), (465, 448576), (480, 434558), (489, 426560), (496, 420540), (516, 404240), (620, 336432), (645, 323392), (652, 319920), (688, 303180), (744, 280360), (815, 255936), (860, 242544), (930, 224288), (960, 217279), (978, 213280), (992, 210270), (1032, 202120), (1240, 168216), (1290, 161696), (1304, 159960), (1333, 156480), (1376, 151590), (1488, 140180), (1630, 127968), (1720, 121272), (1860, 112144), (1956, 106640), (1984, 105135), (2064, 101060), (2445, 85312), (2480, 84108), (2580, 80848), (2608, 79980), (2666, 78240), (2752, 75795), (2976, 70090), (3260, 63984), (3440, 60636), (3720, 56072), (3912, 53320), (3999, 52160), (4128, 50530), (4890, 42656), (4960, 42054), (5053, 41280), (5160, 40424), (5216, 39990), (5332, 39120), (5952, 35045), (6520, 31992), (6665, 31296), (6880, 30318), (7009, 29760), (7440, 28036), (7824, 26660), (7998, 26080), (8256, 25265), (9780, 21328), (9920, 21027), (10106, 20640), (10320, 20212), (10432, 19995), (10664, 19560), (13040, 15996), (13330, 15648), (13760, 15159), (14018, 14880)]