64970880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 256

約数和(自身を含む): 236476800

約数和(自身を除く): 171505920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 64, 65, 76, 78, 80, 95, 96, 104, 114, 120, 128, 130, 137, 152, 156, 160, 190, 192, 195, 208, 228, 240, 247, 260, 274, 285, 304, 312, 320, 380, 384, 390, 411, 416, 456, 480, 494, 520, 548, 570, 608, 624, 640, 685, 741, 760, 780, 822, 832, 912, 960, 988, 1040, 1096, 1140, 1216, 1235, 1248, 1370, 1482, 1520, 1560, 1644, 1664, 1781, 1824, 1920, 1976, 2055, 2080, 2192, 2280, 2432, 2470, 2496, 2603, 2740, 2964, 3040, 3120, 3288, 3562, 3648, 3705, 3952, 4110, 4160, 4384, 4560, 4940, 4992, 5206, 5343, 5480, 5928, 6080, 6240, 6576, 7124, 7296, 7410, 7809, 7904, 8220, 8320, 8768, 8905, 9120, 9880, 10412, 10686, 10960, 11856, 12160, 12480, 13015, 13152, 14248, 14820, 15618, 15808, 16440, 17536, 17810, 18240, 19760, 20824, 21372, 21920, 23712, 24960, 26030, 26304, 26715, 28496, 29640, 31236, 31616, 32880, 33839, 35620, 36480, 39045, 39520, 41648, 42744, 43840, 47424, 52060, 52608, 53430, 56992, 59280, 62472, 65760, 67678, 71240, 78090, 79040, 83296, 85488, 87680, 94848, 101517, 104120, 106860, 113984, 118560, 124944, 131520, 135356, 142480, 156180, 158080, 166592, 169195, 170976, 203034, 208240, 213720, 227968, 237120, 249888, 263040, 270712, 284960, 312360, 333184, 338390, 341952, 406068, 416480, 427440, 474240, 499776, 507585, 541424, 569920, 624720, 676780, 683904, 812136, 832960, 854880, 999552, 1015170, 1082848, 1139840, 1249440, 1353560, 1624272, 1665920, 1709760, 2030340, 2165696, 2498880, 2707120, 3248544, 3419520, 4060680, 4331392, 4997760, 5414240, 6497088, 8121360, 10828480, 12994176, 16242720, 21656960, 32485440, 64970880]

約数ペア:

[(1, 64970880), (2, 32485440), (3, 21656960), (4, 16242720), (5, 12994176), (6, 10828480), (8, 8121360), (10, 6497088), (12, 5414240), (13, 4997760), (15, 4331392), (16, 4060680), (19, 3419520), (20, 3248544), (24, 2707120), (26, 2498880), (30, 2165696), (32, 2030340), (38, 1709760), (39, 1665920), (40, 1624272), (48, 1353560), (52, 1249440), (57, 1139840), (60, 1082848), (64, 1015170), (65, 999552), (76, 854880), (78, 832960), (80, 812136), (95, 683904), (96, 676780), (104, 624720), (114, 569920), (120, 541424), (128, 507585), (130, 499776), (137, 474240), (152, 427440), (156, 416480), (160, 406068), (190, 341952), (192, 338390), (195, 333184), (208, 312360), (228, 284960), (240, 270712), (247, 263040), (260, 249888), (274, 237120), (285, 227968), (304, 213720), (312, 208240), (320, 203034), (380, 170976), (384, 169195), (390, 166592), (411, 158080), (416, 156180), (456, 142480), (480, 135356), (494, 131520), (520, 124944), (548, 118560), (570, 113984), (608, 106860), (624, 104120), (640, 101517), (685, 94848), (741, 87680), (760, 85488), (780, 83296), (822, 79040), (832, 78090), (912, 71240), (960, 67678), (988, 65760), (1040, 62472), (1096, 59280), (1140, 56992), (1216, 53430), (1235, 52608), (1248, 52060), (1370, 47424), (1482, 43840), (1520, 42744), (1560, 41648), (1644, 39520), (1664, 39045), (1781, 36480), (1824, 35620), (1920, 33839), (1976, 32880), (2055, 31616), (2080, 31236), (2192, 29640), (2280, 28496), (2432, 26715), (2470, 26304), (2496, 26030), (2603, 24960), (2740, 23712), (2964, 21920), (3040, 21372), (3120, 20824), (3288, 19760), (3562, 18240), (3648, 17810), (3705, 17536), (3952, 16440), (4110, 15808), (4160, 15618), (4384, 14820), (4560, 14248), (4940, 13152), (4992, 13015), (5206, 12480), (5343, 12160), (5480, 11856), (5928, 10960), (6080, 10686), (6240, 10412), (6576, 9880), (7124, 9120), (7296, 8905), (7410, 8768), (7809, 8320), (7904, 8220)]