42780920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 127552320

約数和(自身を除く): 84771400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 49, 52, 56, 65, 70, 73, 91, 92, 98, 104, 115, 130, 140, 146, 161, 182, 184, 196, 230, 245, 260, 280, 292, 299, 322, 364, 365, 392, 455, 460, 490, 511, 520, 584, 598, 637, 644, 728, 730, 805, 910, 920, 949, 980, 1022, 1127, 1196, 1274, 1288, 1460, 1495, 1610, 1679, 1820, 1898, 1960, 2044, 2093, 2254, 2392, 2548, 2555, 2920, 2990, 3185, 3220, 3358, 3577, 3640, 3796, 4088, 4186, 4508, 4745, 5096, 5110, 5635, 5980, 6370, 6440, 6643, 6716, 7154, 7592, 8372, 8395, 9016, 9490, 10220, 10465, 11270, 11753, 11960, 12740, 13286, 13432, 14308, 14651, 16744, 16790, 17885, 18980, 20440, 20930, 21827, 22540, 23506, 25480, 26572, 28616, 29302, 33215, 33580, 35770, 37960, 41860, 43654, 45080, 46501, 47012, 53144, 58604, 58765, 66430, 67160, 71540, 73255, 82271, 83720, 87308, 93002, 94024, 109135, 117208, 117530, 132860, 143080, 146510, 152789, 164542, 174616, 186004, 218270, 232505, 235060, 265720, 293020, 305578, 329084, 372008, 411355, 436540, 465010, 470120, 586040, 611156, 658168, 763945, 822710, 873080, 930020, 1069523, 1222312, 1527890, 1645420, 1860040, 2139046, 3055780, 3290840, 4278092, 5347615, 6111560, 8556184, 10695230, 21390460, 42780920]

約数ペア:

[(1, 42780920), (2, 21390460), (4, 10695230), (5, 8556184), (7, 6111560), (8, 5347615), (10, 4278092), (13, 3290840), (14, 3055780), (20, 2139046), (23, 1860040), (26, 1645420), (28, 1527890), (35, 1222312), (40, 1069523), (46, 930020), (49, 873080), (52, 822710), (56, 763945), (65, 658168), (70, 611156), (73, 586040), (91, 470120), (92, 465010), (98, 436540), (104, 411355), (115, 372008), (130, 329084), (140, 305578), (146, 293020), (161, 265720), (182, 235060), (184, 232505), (196, 218270), (230, 186004), (245, 174616), (260, 164542), (280, 152789), (292, 146510), (299, 143080), (322, 132860), (364, 117530), (365, 117208), (392, 109135), (455, 94024), (460, 93002), (490, 87308), (511, 83720), (520, 82271), (584, 73255), (598, 71540), (637, 67160), (644, 66430), (728, 58765), (730, 58604), (805, 53144), (910, 47012), (920, 46501), (949, 45080), (980, 43654), (1022, 41860), (1127, 37960), (1196, 35770), (1274, 33580), (1288, 33215), (1460, 29302), (1495, 28616), (1610, 26572), (1679, 25480), (1820, 23506), (1898, 22540), (1960, 21827), (2044, 20930), (2093, 20440), (2254, 18980), (2392, 17885), (2548, 16790), (2555, 16744), (2920, 14651), (2990, 14308), (3185, 13432), (3220, 13286), (3358, 12740), (3577, 11960), (3640, 11753), (3796, 11270), (4088, 10465), (4186, 10220), (4508, 9490), (4745, 9016), (5096, 8395), (5110, 8372), (5635, 7592), (5980, 7154), (6370, 6716), (6440, 6643)]