279585280

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 160

約数和(自身を含む): 747952128

約数和(自身を除く): 468366848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 271, 310, 320, 403, 416, 496, 512, 520, 542, 620, 640, 806, 832, 992, 1040, 1084, 1240, 1280, 1355, 1612, 1664, 1984, 2015, 2080, 2168, 2480, 2560, 2710, 3224, 3328, 3523, 3968, 4030, 4160, 4336, 4960, 5420, 6448, 6656, 7046, 7936, 8060, 8320, 8401, 8672, 9920, 10840, 12896, 14092, 15872, 16120, 16640, 16802, 17344, 17615, 19840, 21680, 25792, 28184, 32240, 33280, 33604, 34688, 35230, 39680, 42005, 43360, 51584, 56368, 64480, 67208, 69376, 70460, 79360, 84010, 86720, 103168, 109213, 112736, 128960, 134416, 138752, 140920, 168020, 173440, 206336, 218426, 225472, 257920, 268832, 281840, 336040, 346880, 436852, 450944, 515840, 537664, 546065, 563680, 672080, 693760, 873704, 901888, 1031680, 1075328, 1092130, 1127360, 1344160, 1747408, 1803776, 2150656, 2184260, 2254720, 2688320, 3494816, 4301312, 4368520, 4509440, 5376640, 6989632, 8737040, 9018880, 10753280, 13979264, 17474080, 21506560, 27958528, 34948160, 55917056, 69896320, 139792640, 279585280]

約数ペア:

[(1, 279585280), (2, 139792640), (4, 69896320), (5, 55917056), (8, 34948160), (10, 27958528), (13, 21506560), (16, 17474080), (20, 13979264), (26, 10753280), (31, 9018880), (32, 8737040), (40, 6989632), (52, 5376640), (62, 4509440), (64, 4368520), (65, 4301312), (80, 3494816), (104, 2688320), (124, 2254720), (128, 2184260), (130, 2150656), (155, 1803776), (160, 1747408), (208, 1344160), (248, 1127360), (256, 1092130), (260, 1075328), (271, 1031680), (310, 901888), (320, 873704), (403, 693760), (416, 672080), (496, 563680), (512, 546065), (520, 537664), (542, 515840), (620, 450944), (640, 436852), (806, 346880), (832, 336040), (992, 281840), (1040, 268832), (1084, 257920), (1240, 225472), (1280, 218426), (1355, 206336), (1612, 173440), (1664, 168020), (1984, 140920), (2015, 138752), (2080, 134416), (2168, 128960), (2480, 112736), (2560, 109213), (2710, 103168), (3224, 86720), (3328, 84010), (3523, 79360), (3968, 70460), (4030, 69376), (4160, 67208), (4336, 64480), (4960, 56368), (5420, 51584), (6448, 43360), (6656, 42005), (7046, 39680), (7936, 35230), (8060, 34688), (8320, 33604), (8401, 33280), (8672, 32240), (9920, 28184), (10840, 25792), (12896, 21680), (14092, 19840), (15872, 17615), (16120, 17344), (16640, 16802)]