330653440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:706

約数の個数: 144

約数和(自身を含む): 881830656

約数和(自身を除く): 551177216

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, 310, 320, 403, 416, 496, 520, 620, 640, 641, 806, 832, 992, 1040, 1240, 1280, 1282, 1612, 1664, 1984, 2015, 2080, 2480, 2564, 3205, 3224, 3328, 3968, 4030, 4160, 4960, 5128, 6410, 6448, 7936, 8060, 8320, 8333, 9920, 10256, 12820, 12896, 16120, 16640, 16666, 19840, 19871, 20512, 25640, 25792, 32240, 33332, 39680, 39742, 41024, 41665, 51280, 51584, 64480, 66664, 79484, 82048, 83330, 99355, 102560, 103168, 128960, 133328, 158968, 164096, 166660, 198710, 205120, 257920, 258323, 266656, 317936, 333320, 397420, 410240, 515840, 516646, 533312, 635872, 666640, 794840, 820480, 1033292, 1066624, 1271744, 1291615, 1333280, 1589680, 2066584, 2133248, 2543488, 2583230, 2666560, 3179360, 4133168, 5086976, 5166460, 5333120, 6358720, 8266336, 10332920, 10666240, 12717440, 16532672, 20665840, 25434880, 33065344, 41331680, 66130688, 82663360, 165326720, 330653440]

約数ペア:

[(1, 330653440), (2, 165326720), (4, 82663360), (5, 66130688), (8, 41331680), (10, 33065344), (13, 25434880), (16, 20665840), (20, 16532672), (26, 12717440), (31, 10666240), (32, 10332920), (40, 8266336), (52, 6358720), (62, 5333120), (64, 5166460), (65, 5086976), (80, 4133168), (104, 3179360), (124, 2666560), (128, 2583230), (130, 2543488), (155, 2133248), (160, 2066584), (208, 1589680), (248, 1333280), (256, 1291615), (260, 1271744), (310, 1066624), (320, 1033292), (403, 820480), (416, 794840), (496, 666640), (520, 635872), (620, 533312), (640, 516646), (641, 515840), (806, 410240), (832, 397420), (992, 333320), (1040, 317936), (1240, 266656), (1280, 258323), (1282, 257920), (1612, 205120), (1664, 198710), (1984, 166660), (2015, 164096), (2080, 158968), (2480, 133328), (2564, 128960), (3205, 103168), (3224, 102560), (3328, 99355), (3968, 83330), (4030, 82048), (4160, 79484), (4960, 66664), (5128, 64480), (6410, 51584), (6448, 51280), (7936, 41665), (8060, 41024), (8320, 39742), (8333, 39680), (9920, 33332), (10256, 32240), (12820, 25792), (12896, 25640), (16120, 20512), (16640, 19871), (16666, 19840)]