256529493760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{347}}^1\times {\mathrm{601}}^1$

素因数の和:1031

約数の個数: 216

約数和(自身を含む): 637818532848

約数和(自身を除く): 381289039088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 347, 496, 601, 620, 640, 694, 961, 992, 1202, 1240, 1280, 1388, 1735, 1922, 1984, 2404, 2480, 2776, 3005, 3470, 3844, 3968, 4805, 4808, 4960, 5552, 6010, 6940, 7688, 7936, 9610, 9616, 9920, 10757, 11104, 12020, 13880, 15376, 18631, 19220, 19232, 19840, 21514, 22208, 24040, 27760, 30752, 37262, 38440, 38464, 39680, 43028, 44416, 48080, 53785, 55520, 61504, 74524, 76880, 76928, 86056, 88832, 93155, 96160, 107570, 111040, 123008, 149048, 153760, 153856, 172112, 186310, 192320, 208547, 215140, 222080, 246016, 298096, 307520, 333467, 344224, 372620, 384640, 417094, 430280, 444160, 577561, 596192, 615040, 666934, 688448, 745240, 769280, 834188, 860560, 1042735, 1155122, 1192384, 1230080, 1333868, 1376896, 1490480, 1667335, 1668376, 1721120, 2085470, 2310244, 2384768, 2667736, 2753792, 2887805, 2980960, 3334670, 3336752, 3442240, 4170940, 4620488, 4769536, 5335472, 5775610, 5961920, 6464957, 6669340, 6673504, 6884480, 8341880, 9240976, 10670944, 11551220, 11923840, 12929914, 13338680, 13347008, 13768960, 16683760, 18481952, 21341888, 23102440, 23847680, 25859828, 26677360, 26694016, 32324785, 33367520, 36963904, 42683776, 46204880, 51719656, 53354720, 53388032, 64649570, 66735040, 73927808, 85367552, 92409760, 103439312, 106709440, 129299140, 133470080, 147855616, 184819520, 200413667, 206878624, 213418880, 258598280, 266940160, 369639040, 400827334, 413757248, 426837760, 517196560, 739278080, 801654668, 827514496, 1002068335, 1034393120, 1603309336, 1655028992, 2004136670, 2068786240, 3206618672, 4008273340, 4137572480, 6413237344, 8016546680, 8275144960, 12826474688, 16033093360, 25652949376, 32066186720, 51305898752, 64132373440, 128264746880, 256529493760]

約数ペア:

[(1, 256529493760), (2, 128264746880), (4, 64132373440), (5, 51305898752), (8, 32066186720), (10, 25652949376), (16, 16033093360), (20, 12826474688), (31, 8275144960), (32, 8016546680), (40, 6413237344), (62, 4137572480), (64, 4008273340), (80, 3206618672), (124, 2068786240), (128, 2004136670), (155, 1655028992), (160, 1603309336), (248, 1034393120), (256, 1002068335), (310, 827514496), (320, 801654668), (347, 739278080), (496, 517196560), (601, 426837760), (620, 413757248), (640, 400827334), (694, 369639040), (961, 266940160), (992, 258598280), (1202, 213418880), (1240, 206878624), (1280, 200413667), (1388, 184819520), (1735, 147855616), (1922, 133470080), (1984, 129299140), (2404, 106709440), (2480, 103439312), (2776, 92409760), (3005, 85367552), (3470, 73927808), (3844, 66735040), (3968, 64649570), (4805, 53388032), (4808, 53354720), (4960, 51719656), (5552, 46204880), (6010, 42683776), (6940, 36963904), (7688, 33367520), (7936, 32324785), (9610, 26694016), (9616, 26677360), (9920, 25859828), (10757, 23847680), (11104, 23102440), (12020, 21341888), (13880, 18481952), (15376, 16683760), (18631, 13768960), (19220, 13347008), (19232, 13338680), (19840, 12929914), (21514, 11923840), (22208, 11551220), (24040, 10670944), (27760, 9240976), (30752, 8341880), (37262, 6884480), (38440, 6673504), (38464, 6669340), (39680, 6464957), (43028, 5961920), (44416, 5775610), (48080, 5335472), (53785, 4769536), (55520, 4620488), (61504, 4170940), (74524, 3442240), (76880, 3336752), (76928, 3334670), (86056, 2980960), (88832, 2887805), (93155, 2753792), (96160, 2667736), (107570, 2384768), (111040, 2310244), (123008, 2085470), (149048, 1721120), (153760, 1668376), (153856, 1667335), (172112, 1490480), (186310, 1376896), (192320, 1333868), (208547, 1230080), (215140, 1192384), (222080, 1155122), (246016, 1042735), (298096, 860560), (307520, 834188), (333467, 769280), (344224, 745240), (372620, 688448), (384640, 666934), (417094, 615040), (430280, 596192), (444160, 577561)]