247701960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:980

約数の個数: 192

約数和(自身を含む): 891596160

約数和(自身を除く): 643894200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 71, 72, 88, 90, 99, 110, 120, 132, 142, 165, 180, 198, 213, 220, 264, 284, 330, 355, 360, 396, 426, 440, 495, 568, 639, 660, 710, 781, 792, 852, 881, 990, 1065, 1278, 1320, 1420, 1562, 1704, 1762, 1980, 2130, 2343, 2556, 2643, 2840, 3124, 3195, 3524, 3905, 3960, 4260, 4405, 4686, 5112, 5286, 6248, 6390, 7029, 7048, 7810, 7929, 8520, 8810, 9372, 9691, 10572, 11715, 12780, 13215, 14058, 15620, 15858, 17620, 18744, 19382, 21144, 23430, 25560, 26430, 28116, 29073, 31240, 31716, 35145, 35240, 38764, 39645, 46860, 48455, 52860, 56232, 58146, 62551, 63432, 70290, 77528, 79290, 87219, 93720, 96910, 105720, 116292, 125102, 140580, 145365, 158580, 174438, 187653, 193820, 232584, 250204, 281160, 290730, 312755, 317160, 348876, 375306, 387640, 436095, 500408, 562959, 581460, 625510, 688061, 697752, 750612, 872190, 938265, 1125918, 1162920, 1251020, 1376122, 1501224, 1744380, 1876530, 2064183, 2251836, 2502040, 2752244, 2814795, 3440305, 3488760, 3753060, 4128366, 4503672, 5504488, 5629590, 6192549, 6880610, 7506120, 8256732, 10320915, 11259180, 12385098, 13761220, 16513464, 20641830, 22518360, 24770196, 27522440, 30962745, 41283660, 49540392, 61925490, 82567320, 123850980, 247701960]

約数ペア:

[(1, 247701960), (2, 123850980), (3, 82567320), (4, 61925490), (5, 49540392), (6, 41283660), (8, 30962745), (9, 27522440), (10, 24770196), (11, 22518360), (12, 20641830), (15, 16513464), (18, 13761220), (20, 12385098), (22, 11259180), (24, 10320915), (30, 8256732), (33, 7506120), (36, 6880610), (40, 6192549), (44, 5629590), (45, 5504488), (55, 4503672), (60, 4128366), (66, 3753060), (71, 3488760), (72, 3440305), (88, 2814795), (90, 2752244), (99, 2502040), (110, 2251836), (120, 2064183), (132, 1876530), (142, 1744380), (165, 1501224), (180, 1376122), (198, 1251020), (213, 1162920), (220, 1125918), (264, 938265), (284, 872190), (330, 750612), (355, 697752), (360, 688061), (396, 625510), (426, 581460), (440, 562959), (495, 500408), (568, 436095), (639, 387640), (660, 375306), (710, 348876), (781, 317160), (792, 312755), (852, 290730), (881, 281160), (990, 250204), (1065, 232584), (1278, 193820), (1320, 187653), (1420, 174438), (1562, 158580), (1704, 145365), (1762, 140580), (1980, 125102), (2130, 116292), (2343, 105720), (2556, 96910), (2643, 93720), (2840, 87219), (3124, 79290), (3195, 77528), (3524, 70290), (3905, 63432), (3960, 62551), (4260, 58146), (4405, 56232), (4686, 52860), (5112, 48455), (5286, 46860), (6248, 39645), (6390, 38764), (7029, 35240), (7048, 35145), (7810, 31716), (7929, 31240), (8520, 29073), (8810, 28116), (9372, 26430), (9691, 25560), (10572, 23430), (11715, 21144), (12780, 19382), (13215, 18744), (14058, 17620), (15620, 15858)]