256885440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 336

約数和(自身を含む): 978481152

約数和(自身を除く): 721595712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 49, 56, 60, 64, 70, 80, 84, 86, 96, 98, 105, 112, 120, 127, 129, 140, 147, 160, 168, 172, 192, 196, 210, 215, 224, 240, 245, 254, 258, 280, 294, 301, 320, 336, 344, 381, 392, 420, 430, 448, 480, 490, 508, 516, 560, 588, 602, 635, 645, 672, 688, 735, 762, 784, 840, 860, 889, 903, 960, 980, 1016, 1032, 1120, 1176, 1204, 1270, 1290, 1344, 1376, 1470, 1505, 1524, 1568, 1680, 1720, 1778, 1806, 1905, 1960, 2032, 2064, 2107, 2240, 2352, 2408, 2540, 2580, 2667, 2752, 2940, 3010, 3048, 3136, 3360, 3440, 3556, 3612, 3810, 3920, 4064, 4128, 4214, 4445, 4515, 4704, 4816, 5080, 5160, 5334, 5461, 5880, 6020, 6096, 6223, 6321, 6720, 6880, 7112, 7224, 7620, 7840, 8128, 8256, 8428, 8890, 9030, 9408, 9632, 10160, 10320, 10535, 10668, 10922, 11760, 12040, 12192, 12446, 12642, 13335, 13760, 14224, 14448, 15240, 15680, 16383, 16856, 17780, 18060, 18669, 19264, 20320, 20640, 21070, 21336, 21844, 23520, 24080, 24384, 24892, 25284, 26670, 27305, 28448, 28896, 30480, 31115, 31605, 32766, 33712, 35560, 36120, 37338, 38227, 40640, 41280, 42140, 42672, 43688, 47040, 48160, 49784, 50568, 53340, 54610, 56896, 57792, 60960, 62230, 63210, 65532, 67424, 71120, 72240, 74676, 76454, 81915, 84280, 85344, 87376, 93345, 96320, 99568, 101136, 106680, 109220, 114681, 121920, 124460, 126420, 131064, 134848, 142240, 144480, 149352, 152908, 163830, 168560, 170688, 174752, 186690, 191135, 199136, 202272, 213360, 218440, 229362, 248920, 252840, 262128, 267589, 284480, 288960, 298704, 305816, 327660, 337120, 349504, 373380, 382270, 398272, 404544, 426720, 436880, 458724, 497840, 505680, 524256, 535178, 573405, 597408, 611632, 655320, 674240, 746760, 764540, 802767, 853440, 873760, 917448, 995680, 1011360, 1048512, 1070356, 1146810, 1194816, 1223264, 1310640, 1337945, 1493520, 1529080, 1605534, 1747520, 1834896, 1991360, 2022720, 2140712, 2293620, 2446528, 2621280, 2675890, 2987040, 3058160, 3211068, 3669792, 4013835, 4281424, 4587240, 5242560, 5351780, 5974080, 6116320, 6422136, 7339584, 8027670, 8562848, 9174480, 10703560, 12232640, 12844272, 16055340, 17125696, 18348960, 21407120, 25688544, 32110680, 36697920, 42814240, 51377088, 64221360, 85628480, 128442720, 256885440]

約数ペア:

[(1, 256885440), (2, 128442720), (3, 85628480), (4, 64221360), (5, 51377088), (6, 42814240), (7, 36697920), (8, 32110680), (10, 25688544), (12, 21407120), (14, 18348960), (15, 17125696), (16, 16055340), (20, 12844272), (21, 12232640), (24, 10703560), (28, 9174480), (30, 8562848), (32, 8027670), (35, 7339584), (40, 6422136), (42, 6116320), (43, 5974080), (48, 5351780), (49, 5242560), (56, 4587240), (60, 4281424), (64, 4013835), (70, 3669792), (80, 3211068), (84, 3058160), (86, 2987040), (96, 2675890), (98, 2621280), (105, 2446528), (112, 2293620), (120, 2140712), (127, 2022720), (129, 1991360), (140, 1834896), (147, 1747520), (160, 1605534), (168, 1529080), (172, 1493520), (192, 1337945), (196, 1310640), (210, 1223264), (215, 1194816), (224, 1146810), (240, 1070356), (245, 1048512), (254, 1011360), (258, 995680), (280, 917448), (294, 873760), (301, 853440), (320, 802767), (336, 764540), (344, 746760), (381, 674240), (392, 655320), (420, 611632), (430, 597408), (448, 573405), (480, 535178), (490, 524256), (508, 505680), (516, 497840), (560, 458724), (588, 436880), (602, 426720), (635, 404544), (645, 398272), (672, 382270), (688, 373380), (735, 349504), (762, 337120), (784, 327660), (840, 305816), (860, 298704), (889, 288960), (903, 284480), (960, 267589), (980, 262128), (1016, 252840), (1032, 248920), (1120, 229362), (1176, 218440), (1204, 213360), (1270, 202272), (1290, 199136), (1344, 191135), (1376, 186690), (1470, 174752), (1505, 170688), (1524, 168560), (1568, 163830), (1680, 152908), (1720, 149352), (1778, 144480), (1806, 142240), (1905, 134848), (1960, 131064), (2032, 126420), (2064, 124460), (2107, 121920), (2240, 114681), (2352, 109220), (2408, 106680), (2540, 101136), (2580, 99568), (2667, 96320), (2752, 93345), (2940, 87376), (3010, 85344), (3048, 84280), (3136, 81915), (3360, 76454), (3440, 74676), (3556, 72240), (3612, 71120), (3810, 67424), (3920, 65532), (4064, 63210), (4128, 62230), (4214, 60960), (4445, 57792), (4515, 56896), (4704, 54610), (4816, 53340), (5080, 50568), (5160, 49784), (5334, 48160), (5461, 47040), (5880, 43688), (6020, 42672), (6096, 42140), (6223, 41280), (6321, 40640), (6720, 38227), (6880, 37338), (7112, 36120), (7224, 35560), (7620, 33712), (7840, 32766), (8128, 31605), (8256, 31115), (8428, 30480), (8890, 28896), (9030, 28448), (9408, 27305), (9632, 26670), (10160, 25284), (10320, 24892), (10535, 24384), (10668, 24080), (10922, 23520), (11760, 21844), (12040, 21336), (12192, 21070), (12446, 20640), (12642, 20320), (13335, 19264), (13760, 18669), (14224, 18060), (14448, 17780), (15240, 16856), (15680, 16383)]