154905920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1672

約数の個数: 112

約数和(自身を含む): 414771840

約数和(自身を除く): 259865920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 460, 520, 598, 736, 832, 920, 1040, 1196, 1472, 1495, 1619, 1840, 2080, 2392, 2990, 3238, 3680, 4160, 4784, 5980, 6476, 7360, 8095, 9568, 11960, 12952, 16190, 19136, 21047, 23920, 25904, 32380, 37237, 42094, 47840, 51808, 64760, 74474, 84188, 95680, 103616, 105235, 129520, 148948, 168376, 186185, 210470, 259040, 297896, 336752, 372370, 420940, 484081, 518080, 595792, 673504, 744740, 841880, 968162, 1191584, 1347008, 1489480, 1683760, 1936324, 2383168, 2420405, 2978960, 3367520, 3872648, 4840810, 5957920, 6735040, 7745296, 9681620, 11915840, 15490592, 19363240, 30981184, 38726480, 77452960, 154905920]

約数ペア:

[(1, 154905920), (2, 77452960), (4, 38726480), (5, 30981184), (8, 19363240), (10, 15490592), (13, 11915840), (16, 9681620), (20, 7745296), (23, 6735040), (26, 5957920), (32, 4840810), (40, 3872648), (46, 3367520), (52, 2978960), (64, 2420405), (65, 2383168), (80, 1936324), (92, 1683760), (104, 1489480), (115, 1347008), (130, 1191584), (160, 968162), (184, 841880), (208, 744740), (230, 673504), (260, 595792), (299, 518080), (320, 484081), (368, 420940), (416, 372370), (460, 336752), (520, 297896), (598, 259040), (736, 210470), (832, 186185), (920, 168376), (1040, 148948), (1196, 129520), (1472, 105235), (1495, 103616), (1619, 95680), (1840, 84188), (2080, 74474), (2392, 64760), (2990, 51808), (3238, 47840), (3680, 42094), (4160, 37237), (4784, 32380), (5980, 25904), (6476, 23920), (7360, 21047), (8095, 19136), (9568, 16190), (11960, 12952)]