256054680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 384

約数和(自身を含む): 1037836800

約数和(自身を除く): 781782120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 43, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 86, 90, 102, 105, 119, 120, 126, 129, 136, 139, 140, 153, 168, 170, 172, 180, 204, 210, 215, 238, 252, 255, 258, 278, 280, 301, 306, 315, 340, 344, 357, 360, 387, 408, 417, 420, 430, 476, 504, 510, 516, 556, 595, 602, 612, 630, 645, 680, 695, 714, 731, 765, 774, 834, 840, 860, 903, 952, 973, 1020, 1032, 1071, 1112, 1190, 1204, 1224, 1251, 1260, 1290, 1390, 1428, 1462, 1505, 1530, 1548, 1668, 1720, 1785, 1806, 1935, 1946, 2040, 2085, 2142, 2193, 2363, 2380, 2408, 2502, 2520, 2580, 2709, 2780, 2856, 2919, 2924, 3010, 3060, 3096, 3336, 3570, 3612, 3655, 3870, 3892, 4170, 4284, 4386, 4515, 4726, 4760, 4865, 5004, 5117, 5160, 5355, 5418, 5560, 5838, 5848, 5977, 6020, 6120, 6255, 6579, 7089, 7140, 7224, 7310, 7740, 7784, 8340, 8568, 8757, 8772, 9030, 9452, 9730, 10008, 10234, 10710, 10836, 10965, 11676, 11815, 11954, 12040, 12510, 13158, 13545, 14178, 14280, 14595, 14620, 15351, 15480, 16541, 16680, 17514, 17544, 17931, 18060, 18904, 19460, 20468, 21267, 21420, 21672, 21930, 23352, 23630, 23908, 25020, 25585, 26316, 27090, 28356, 29190, 29240, 29885, 30702, 32895, 33082, 35028, 35445, 35862, 36120, 38920, 40936, 41839, 42534, 42840, 43785, 43860, 46053, 47260, 47816, 49623, 50040, 51170, 52632, 53793, 54180, 56712, 58380, 59770, 61404, 65790, 66164, 70056, 70890, 71724, 76755, 82705, 83678, 85068, 87570, 87720, 89655, 92106, 94520, 99246, 101609, 102340, 106335, 107586, 108360, 116760, 119540, 122808, 125517, 131580, 132328, 141780, 143448, 148869, 153510, 165410, 167356, 170136, 175140, 179310, 184212, 198492, 203218, 204680, 209195, 212670, 215172, 230265, 239080, 248115, 251034, 263160, 268965, 283560, 297738, 304827, 307020, 330820, 334712, 350280, 358620, 368424, 376551, 396984, 406436, 418390, 425340, 430344, 460530, 496230, 502068, 508045, 537930, 595476, 609654, 614040, 627585, 661640, 711263, 717240, 744345, 753102, 812872, 836780, 850680, 914481, 921060, 992460, 1004136, 1016090, 1075860, 1190952, 1219308, 1255170, 1422526, 1488690, 1506204, 1524135, 1673560, 1828962, 1842120, 1882755, 1984920, 2032180, 2133789, 2151720, 2438616, 2510340, 2845052, 2977380, 3012408, 3048270, 3556315, 3657924, 3765510, 4064360, 4267578, 4572405, 5020680, 5690104, 5954760, 6096540, 6401367, 7112630, 7315848, 7531020, 8535156, 9144810, 10668945, 12193080, 12802734, 14225260, 15062040, 17070312, 18289620, 21337890, 25605468, 28450520, 32006835, 36579240, 42675780, 51210936, 64013670, 85351560, 128027340, 256054680]

約数ペア:

[(1, 256054680), (2, 128027340), (3, 85351560), (4, 64013670), (5, 51210936), (6, 42675780), (7, 36579240), (8, 32006835), (9, 28450520), (10, 25605468), (12, 21337890), (14, 18289620), (15, 17070312), (17, 15062040), (18, 14225260), (20, 12802734), (21, 12193080), (24, 10668945), (28, 9144810), (30, 8535156), (34, 7531020), (35, 7315848), (36, 7112630), (40, 6401367), (42, 6096540), (43, 5954760), (45, 5690104), (51, 5020680), (56, 4572405), (60, 4267578), (63, 4064360), (68, 3765510), (70, 3657924), (72, 3556315), (84, 3048270), (85, 3012408), (86, 2977380), (90, 2845052), (102, 2510340), (105, 2438616), (119, 2151720), (120, 2133789), (126, 2032180), (129, 1984920), (136, 1882755), (139, 1842120), (140, 1828962), (153, 1673560), (168, 1524135), (170, 1506204), (172, 1488690), (180, 1422526), (204, 1255170), (210, 1219308), (215, 1190952), (238, 1075860), (252, 1016090), (255, 1004136), (258, 992460), (278, 921060), (280, 914481), (301, 850680), (306, 836780), (315, 812872), (340, 753102), (344, 744345), (357, 717240), (360, 711263), (387, 661640), (408, 627585), (417, 614040), (420, 609654), (430, 595476), (476, 537930), (504, 508045), (510, 502068), (516, 496230), (556, 460530), (595, 430344), (602, 425340), (612, 418390), (630, 406436), (645, 396984), (680, 376551), (695, 368424), (714, 358620), (731, 350280), (765, 334712), (774, 330820), (834, 307020), (840, 304827), (860, 297738), (903, 283560), (952, 268965), (973, 263160), (1020, 251034), (1032, 248115), (1071, 239080), (1112, 230265), (1190, 215172), (1204, 212670), (1224, 209195), (1251, 204680), (1260, 203218), (1290, 198492), (1390, 184212), (1428, 179310), (1462, 175140), (1505, 170136), (1530, 167356), (1548, 165410), (1668, 153510), (1720, 148869), (1785, 143448), (1806, 141780), (1935, 132328), (1946, 131580), (2040, 125517), (2085, 122808), (2142, 119540), (2193, 116760), (2363, 108360), (2380, 107586), (2408, 106335), (2502, 102340), (2520, 101609), (2580, 99246), (2709, 94520), (2780, 92106), (2856, 89655), (2919, 87720), (2924, 87570), (3010, 85068), (3060, 83678), (3096, 82705), (3336, 76755), (3570, 71724), (3612, 70890), (3655, 70056), (3870, 66164), (3892, 65790), (4170, 61404), (4284, 59770), (4386, 58380), (4515, 56712), (4726, 54180), (4760, 53793), (4865, 52632), (5004, 51170), (5117, 50040), (5160, 49623), (5355, 47816), (5418, 47260), (5560, 46053), (5838, 43860), (5848, 43785), (5977, 42840), (6020, 42534), (6120, 41839), (6255, 40936), (6579, 38920), (7089, 36120), (7140, 35862), (7224, 35445), (7310, 35028), (7740, 33082), (7784, 32895), (8340, 30702), (8568, 29885), (8757, 29240), (8772, 29190), (9030, 28356), (9452, 27090), (9730, 26316), (10008, 25585), (10234, 25020), (10710, 23908), (10836, 23630), (10965, 23352), (11676, 21930), (11815, 21672), (11954, 21420), (12040, 21267), (12510, 20468), (13158, 19460), (13545, 18904), (14178, 18060), (14280, 17931), (14595, 17544), (14620, 17514), (15351, 16680), (15480, 16541)]