78486720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 224

約数和(自身を含む): 283342080

約数和(自身を除く): 204855360

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, 130, 152, 156, 160, 190, 192, 195, 208, 228, 240, 247, 260, 285, 304, 312, 320, 331, 380, 390, 416, 456, 480, 494, 520, 570, 608, 624, 662, 741, 760, 780, 832, 912, 960, 988, 993, 1040, 1140, 1216, 1235, 1248, 1324, 1482, 1520, 1560, 1655, 1824, 1976, 1986, 2080, 2280, 2470, 2496, 2648, 2964, 3040, 3120, 3310, 3648, 3705, 3952, 3972, 4160, 4303, 4560, 4940, 4965, 5296, 5928, 6080, 6240, 6289, 6620, 7410, 7904, 7944, 8606, 9120, 9880, 9930, 10592, 11856, 12480, 12578, 12909, 13240, 14820, 15808, 15888, 17212, 18240, 18867, 19760, 19860, 21184, 21515, 23712, 25156, 25818, 26480, 29640, 31445, 31776, 34424, 37734, 39520, 39720, 43030, 47424, 50312, 51636, 52960, 59280, 62890, 63552, 64545, 68848, 75468, 79040, 79440, 81757, 86060, 94335, 100624, 103272, 105920, 118560, 125780, 129090, 137696, 150936, 158880, 163514, 172120, 188670, 201248, 206544, 237120, 245271, 251560, 258180, 275392, 301872, 317760, 327028, 344240, 377340, 402496, 408785, 413088, 490542, 503120, 516360, 603744, 654056, 688480, 754680, 817570, 826176, 981084, 1006240, 1032720, 1207488, 1226355, 1308112, 1376960, 1509360, 1635140, 1962168, 2012480, 2065440, 2452710, 2616224, 3018720, 3270280, 3924336, 4130880, 4905420, 5232448, 6037440, 6540560, 7848672, 9810840, 13081120, 15697344, 19621680, 26162240, 39243360, 78486720]

約数ペア:

[(1, 78486720), (2, 39243360), (3, 26162240), (4, 19621680), (5, 15697344), (6, 13081120), (8, 9810840), (10, 7848672), (12, 6540560), (13, 6037440), (15, 5232448), (16, 4905420), (19, 4130880), (20, 3924336), (24, 3270280), (26, 3018720), (30, 2616224), (32, 2452710), (38, 2065440), (39, 2012480), (40, 1962168), (48, 1635140), (52, 1509360), (57, 1376960), (60, 1308112), (64, 1226355), (65, 1207488), (76, 1032720), (78, 1006240), (80, 981084), (95, 826176), (96, 817570), (104, 754680), (114, 688480), (120, 654056), (130, 603744), (152, 516360), (156, 503120), (160, 490542), (190, 413088), (192, 408785), (195, 402496), (208, 377340), (228, 344240), (240, 327028), (247, 317760), (260, 301872), (285, 275392), (304, 258180), (312, 251560), (320, 245271), (331, 237120), (380, 206544), (390, 201248), (416, 188670), (456, 172120), (480, 163514), (494, 158880), (520, 150936), (570, 137696), (608, 129090), (624, 125780), (662, 118560), (741, 105920), (760, 103272), (780, 100624), (832, 94335), (912, 86060), (960, 81757), (988, 79440), (993, 79040), (1040, 75468), (1140, 68848), (1216, 64545), (1235, 63552), (1248, 62890), (1324, 59280), (1482, 52960), (1520, 51636), (1560, 50312), (1655, 47424), (1824, 43030), (1976, 39720), (1986, 39520), (2080, 37734), (2280, 34424), (2470, 31776), (2496, 31445), (2648, 29640), (2964, 26480), (3040, 25818), (3120, 25156), (3310, 23712), (3648, 21515), (3705, 21184), (3952, 19860), (3972, 19760), (4160, 18867), (4303, 18240), (4560, 17212), (4940, 15888), (4965, 15808), (5296, 14820), (5928, 13240), (6080, 12909), (6240, 12578), (6289, 12480), (6620, 11856), (7410, 10592), (7904, 9930), (7944, 9880), (8606, 9120)]