253221064040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^3\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:637

約数の個数: 256

約数和(自身を含む): 685780992000

約数和(自身を除く): 432559927960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 239, 280, 311, 322, 460, 478, 529, 622, 644, 805, 920, 956, 1058, 1195, 1244, 1288, 1555, 1610, 1673, 1912, 2116, 2177, 2390, 2488, 2645, 3110, 3220, 3346, 3703, 4232, 4354, 4780, 5290, 5497, 6220, 6440, 6692, 7153, 7406, 8365, 8708, 9560, 10580, 10885, 10994, 12167, 12440, 13384, 14306, 14812, 16730, 17416, 18515, 21160, 21770, 21988, 24334, 27485, 28612, 29624, 33460, 35765, 37030, 38479, 43540, 43976, 48668, 50071, 54970, 57224, 60835, 66920, 71530, 74060, 74329, 76958, 85169, 87080, 97336, 100142, 109940, 121670, 126431, 143060, 148120, 148658, 153916, 164519, 170338, 192395, 200284, 219880, 243340, 250355, 252862, 286120, 297316, 307832, 329038, 340676, 371645, 384790, 400568, 425845, 486680, 500710, 505724, 520303, 594632, 632155, 658076, 681352, 743290, 769580, 822595, 851690, 885017, 1001420, 1011448, 1040606, 1151633, 1264310, 1316152, 1486580, 1539160, 1645190, 1703380, 1709567, 1770034, 2002840, 2081212, 2303266, 2528620, 2601515, 2907913, 2973160, 3290380, 3406760, 3419134, 3540068, 3783937, 4162424, 4425085, 4606532, 5057240, 5203030, 5758165, 5815826, 6580760, 6838268, 7080136, 7567874, 8547835, 8850170, 9213064, 10406060, 11516330, 11631652, 11966969, 13676536, 14539565, 15135748, 17095670, 17700340, 18919685, 20355391, 20812120, 23032660, 23263304, 23933938, 26487559, 29079130, 30271496, 34191340, 35400680, 37839370, 39320041, 40710782, 46065320, 47867876, 52975118, 58158260, 59834845, 68382680, 75678740, 78640082, 81421564, 95735752, 101776955, 105950236, 116316520, 119669690, 132437795, 151357480, 157280164, 162843128, 196600205, 203553910, 211900472, 239339380, 264875590, 275240287, 314560328, 393200410, 407107820, 478678760, 529751180, 550480574, 786400820, 814215640, 904360943, 1059502360, 1100961148, 1376201435, 1572801640, 1808721886, 2201922296, 2752402870, 3617443772, 4521804715, 5504805740, 6330526601, 7234887544, 9043609430, 11009611480, 12661053202, 18087218860, 25322106404, 31652633005, 36174437720, 50644212808, 63305266010, 126610532020, 253221064040]

約数ペア:

[(1, 253221064040), (2, 126610532020), (4, 63305266010), (5, 50644212808), (7, 36174437720), (8, 31652633005), (10, 25322106404), (14, 18087218860), (20, 12661053202), (23, 11009611480), (28, 9043609430), (35, 7234887544), (40, 6330526601), (46, 5504805740), (56, 4521804715), (70, 3617443772), (92, 2752402870), (115, 2201922296), (140, 1808721886), (161, 1572801640), (184, 1376201435), (230, 1100961148), (239, 1059502360), (280, 904360943), (311, 814215640), (322, 786400820), (460, 550480574), (478, 529751180), (529, 478678760), (622, 407107820), (644, 393200410), (805, 314560328), (920, 275240287), (956, 264875590), (1058, 239339380), (1195, 211900472), (1244, 203553910), (1288, 196600205), (1555, 162843128), (1610, 157280164), (1673, 151357480), (1912, 132437795), (2116, 119669690), (2177, 116316520), (2390, 105950236), (2488, 101776955), (2645, 95735752), (3110, 81421564), (3220, 78640082), (3346, 75678740), (3703, 68382680), (4232, 59834845), (4354, 58158260), (4780, 52975118), (5290, 47867876), (5497, 46065320), (6220, 40710782), (6440, 39320041), (6692, 37839370), (7153, 35400680), (7406, 34191340), (8365, 30271496), (8708, 29079130), (9560, 26487559), (10580, 23933938), (10885, 23263304), (10994, 23032660), (12167, 20812120), (12440, 20355391), (13384, 18919685), (14306, 17700340), (14812, 17095670), (16730, 15135748), (17416, 14539565), (18515, 13676536), (21160, 11966969), (21770, 11631652), (21988, 11516330), (24334, 10406060), (27485, 9213064), (28612, 8850170), (29624, 8547835), (33460, 7567874), (35765, 7080136), (37030, 6838268), (38479, 6580760), (43540, 5815826), (43976, 5758165), (48668, 5203030), (50071, 5057240), (54970, 4606532), (57224, 4425085), (60835, 4162424), (66920, 3783937), (71530, 3540068), (74060, 3419134), (74329, 3406760), (76958, 3290380), (85169, 2973160), (87080, 2907913), (97336, 2601515), (100142, 2528620), (109940, 2303266), (121670, 2081212), (126431, 2002840), (143060, 1770034), (148120, 1709567), (148658, 1703380), (153916, 1645190), (164519, 1539160), (170338, 1486580), (192395, 1316152), (200284, 1264310), (219880, 1151633), (243340, 1040606), (250355, 1011448), (252862, 1001420), (286120, 885017), (297316, 851690), (307832, 822595), (329038, 769580), (340676, 743290), (371645, 681352), (384790, 658076), (400568, 632155), (425845, 594632), (486680, 520303), (500710, 505724)]