231388920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:395

約数の個数: 256

約数和(自身を含む): 892108800

約数和(自身を除く): 660719880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 127, 135, 140, 168, 180, 189, 210, 216, 241, 252, 254, 270, 280, 315, 360, 378, 381, 420, 482, 504, 508, 540, 630, 635, 723, 756, 762, 840, 889, 945, 964, 1016, 1080, 1143, 1205, 1260, 1270, 1446, 1512, 1524, 1687, 1778, 1890, 1905, 1928, 2169, 2286, 2410, 2520, 2540, 2667, 2892, 3048, 3374, 3429, 3556, 3615, 3780, 3810, 4338, 4445, 4572, 4820, 5061, 5080, 5334, 5715, 5784, 6507, 6748, 6858, 7112, 7230, 7560, 7620, 8001, 8435, 8676, 8890, 9144, 9640, 10122, 10668, 10845, 11430, 13014, 13335, 13496, 13716, 14460, 15183, 15240, 16002, 16870, 17145, 17352, 17780, 20244, 21336, 21690, 22860, 24003, 25305, 26028, 26670, 27432, 28920, 30366, 30607, 32004, 32535, 33740, 34290, 35560, 40005, 40488, 43380, 45549, 45720, 48006, 50610, 52056, 53340, 60732, 61214, 64008, 65070, 67480, 68580, 75915, 80010, 86760, 91098, 91821, 96012, 101220, 106680, 120015, 121464, 122428, 130140, 137160, 151830, 153035, 160020, 182196, 183642, 192024, 202440, 214249, 227745, 240030, 244856, 260280, 275463, 303660, 306070, 320040, 364392, 367284, 428498, 455490, 459105, 480060, 550926, 607320, 612140, 642747, 734568, 826389, 856996, 910980, 918210, 960120, 1071245, 1101852, 1224280, 1285494, 1377315, 1652778, 1713992, 1821960, 1836420, 1928241, 2142490, 2203704, 2570988, 2754630, 3213735, 3305556, 3672840, 3856482, 4131945, 4284980, 5141976, 5509260, 5784723, 6427470, 6611112, 7712964, 8263890, 8569960, 9641205, 11018520, 11569446, 12854940, 15425928, 16527780, 19282410, 23138892, 25709880, 28923615, 33055560, 38564820, 46277784, 57847230, 77129640, 115694460, 231388920]

約数ペア:

[(1, 231388920), (2, 115694460), (3, 77129640), (4, 57847230), (5, 46277784), (6, 38564820), (7, 33055560), (8, 28923615), (9, 25709880), (10, 23138892), (12, 19282410), (14, 16527780), (15, 15425928), (18, 12854940), (20, 11569446), (21, 11018520), (24, 9641205), (27, 8569960), (28, 8263890), (30, 7712964), (35, 6611112), (36, 6427470), (40, 5784723), (42, 5509260), (45, 5141976), (54, 4284980), (56, 4131945), (60, 3856482), (63, 3672840), (70, 3305556), (72, 3213735), (84, 2754630), (90, 2570988), (105, 2203704), (108, 2142490), (120, 1928241), (126, 1836420), (127, 1821960), (135, 1713992), (140, 1652778), (168, 1377315), (180, 1285494), (189, 1224280), (210, 1101852), (216, 1071245), (241, 960120), (252, 918210), (254, 910980), (270, 856996), (280, 826389), (315, 734568), (360, 642747), (378, 612140), (381, 607320), (420, 550926), (482, 480060), (504, 459105), (508, 455490), (540, 428498), (630, 367284), (635, 364392), (723, 320040), (756, 306070), (762, 303660), (840, 275463), (889, 260280), (945, 244856), (964, 240030), (1016, 227745), (1080, 214249), (1143, 202440), (1205, 192024), (1260, 183642), (1270, 182196), (1446, 160020), (1512, 153035), (1524, 151830), (1687, 137160), (1778, 130140), (1890, 122428), (1905, 121464), (1928, 120015), (2169, 106680), (2286, 101220), (2410, 96012), (2520, 91821), (2540, 91098), (2667, 86760), (2892, 80010), (3048, 75915), (3374, 68580), (3429, 67480), (3556, 65070), (3615, 64008), (3780, 61214), (3810, 60732), (4338, 53340), (4445, 52056), (4572, 50610), (4820, 48006), (5061, 45720), (5080, 45549), (5334, 43380), (5715, 40488), (5784, 40005), (6507, 35560), (6748, 34290), (6858, 33740), (7112, 32535), (7230, 32004), (7560, 30607), (7620, 30366), (8001, 28920), (8435, 27432), (8676, 26670), (8890, 26028), (9144, 25305), (9640, 24003), (10122, 22860), (10668, 21690), (10845, 21336), (11430, 20244), (13014, 17780), (13335, 17352), (13496, 17145), (13716, 16870), (14460, 16002), (15183, 15240)]