258316240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 240

約数和(自身を含む): 778356432

約数和(自身を除く): 520040192

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 37, 40, 49, 52, 56, 65, 70, 74, 80, 91, 98, 104, 112, 130, 137, 140, 148, 182, 185, 196, 208, 245, 259, 260, 274, 280, 296, 364, 370, 392, 455, 481, 490, 518, 520, 548, 560, 592, 637, 685, 728, 740, 784, 910, 959, 962, 980, 1036, 1040, 1096, 1274, 1295, 1370, 1456, 1480, 1781, 1813, 1820, 1918, 1924, 1960, 2072, 2192, 2405, 2548, 2590, 2740, 2960, 3185, 3367, 3562, 3626, 3640, 3836, 3848, 3920, 4144, 4795, 4810, 5069, 5096, 5180, 5480, 6370, 6713, 6734, 7124, 7252, 7280, 7672, 7696, 8905, 9065, 9590, 9620, 10138, 10192, 10360, 10960, 12467, 12740, 13426, 13468, 14248, 14504, 15344, 16835, 17810, 18130, 19180, 19240, 20276, 20720, 23569, 24934, 25345, 25480, 26852, 26936, 28496, 29008, 33565, 33670, 35483, 35620, 36260, 38360, 38480, 40552, 47138, 49868, 50690, 50960, 53704, 53872, 62335, 65897, 67130, 67340, 70966, 71240, 72520, 76720, 81104, 87269, 94276, 99736, 101380, 107408, 117845, 124670, 131794, 134260, 134680, 141932, 142480, 145040, 174538, 177415, 188552, 199472, 202760, 235690, 248381, 249340, 263588, 268520, 269360, 283864, 329485, 349076, 354830, 377104, 405520, 436345, 461279, 471380, 496762, 498680, 527176, 537040, 567728, 658970, 698152, 709660, 872690, 922558, 942760, 993524, 997360, 1054352, 1241905, 1317940, 1396304, 1419320, 1745380, 1845116, 1885520, 1987048, 2306395, 2483810, 2635880, 2838640, 3228953, 3490760, 3690232, 3974096, 4612790, 4967620, 5271760, 6457906, 6981520, 7380464, 9225580, 9935240, 12915812, 16144765, 18451160, 19870480, 25831624, 32289530, 36902320, 51663248, 64579060, 129158120, 258316240]

約数ペア:

[(1, 258316240), (2, 129158120), (4, 64579060), (5, 51663248), (7, 36902320), (8, 32289530), (10, 25831624), (13, 19870480), (14, 18451160), (16, 16144765), (20, 12915812), (26, 9935240), (28, 9225580), (35, 7380464), (37, 6981520), (40, 6457906), (49, 5271760), (52, 4967620), (56, 4612790), (65, 3974096), (70, 3690232), (74, 3490760), (80, 3228953), (91, 2838640), (98, 2635880), (104, 2483810), (112, 2306395), (130, 1987048), (137, 1885520), (140, 1845116), (148, 1745380), (182, 1419320), (185, 1396304), (196, 1317940), (208, 1241905), (245, 1054352), (259, 997360), (260, 993524), (274, 942760), (280, 922558), (296, 872690), (364, 709660), (370, 698152), (392, 658970), (455, 567728), (481, 537040), (490, 527176), (518, 498680), (520, 496762), (548, 471380), (560, 461279), (592, 436345), (637, 405520), (685, 377104), (728, 354830), (740, 349076), (784, 329485), (910, 283864), (959, 269360), (962, 268520), (980, 263588), (1036, 249340), (1040, 248381), (1096, 235690), (1274, 202760), (1295, 199472), (1370, 188552), (1456, 177415), (1480, 174538), (1781, 145040), (1813, 142480), (1820, 141932), (1918, 134680), (1924, 134260), (1960, 131794), (2072, 124670), (2192, 117845), (2405, 107408), (2548, 101380), (2590, 99736), (2740, 94276), (2960, 87269), (3185, 81104), (3367, 76720), (3562, 72520), (3626, 71240), (3640, 70966), (3836, 67340), (3848, 67130), (3920, 65897), (4144, 62335), (4795, 53872), (4810, 53704), (5069, 50960), (5096, 50690), (5180, 49868), (5480, 47138), (6370, 40552), (6713, 38480), (6734, 38360), (7124, 36260), (7252, 35620), (7280, 35483), (7672, 33670), (7696, 33565), (8905, 29008), (9065, 28496), (9590, 26936), (9620, 26852), (10138, 25480), (10192, 25345), (10360, 24934), (10960, 23569), (12467, 20720), (12740, 20276), (13426, 19240), (13468, 19180), (14248, 18130), (14504, 17810), (15344, 16835)]