156640120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1871}}^1$

素因数の和:1925

約数の個数: 128

約数和(自身を含む): 452874240

約数和(自身を除く): 296234120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 1871, 2093, 2392, 2990, 3220, 3640, 3742, 4186, 5980, 6440, 7484, 8372, 9355, 10465, 11960, 13097, 14968, 16744, 18710, 20930, 24323, 26194, 37420, 41860, 43033, 48646, 52388, 65485, 74840, 83720, 86066, 97292, 104776, 121615, 130970, 170261, 172132, 194584, 215165, 243230, 261940, 301231, 340522, 344264, 430330, 486460, 523880, 559429, 602462, 681044, 851305, 860660, 972920, 1118858, 1204924, 1362088, 1506155, 1702610, 1721320, 2237716, 2409848, 2797145, 3012310, 3405220, 3916003, 4475432, 5594290, 6024620, 6810440, 7832006, 11188580, 12049240, 15664012, 19580015, 22377160, 31328024, 39160030, 78320060, 156640120]

約数ペア:

[(1, 156640120), (2, 78320060), (4, 39160030), (5, 31328024), (7, 22377160), (8, 19580015), (10, 15664012), (13, 12049240), (14, 11188580), (20, 7832006), (23, 6810440), (26, 6024620), (28, 5594290), (35, 4475432), (40, 3916003), (46, 3405220), (52, 3012310), (56, 2797145), (65, 2409848), (70, 2237716), (91, 1721320), (92, 1702610), (104, 1506155), (115, 1362088), (130, 1204924), (140, 1118858), (161, 972920), (182, 860660), (184, 851305), (230, 681044), (260, 602462), (280, 559429), (299, 523880), (322, 486460), (364, 430330), (455, 344264), (460, 340522), (520, 301231), (598, 261940), (644, 243230), (728, 215165), (805, 194584), (910, 172132), (920, 170261), (1196, 130970), (1288, 121615), (1495, 104776), (1610, 97292), (1820, 86066), (1871, 83720), (2093, 74840), (2392, 65485), (2990, 52388), (3220, 48646), (3640, 43033), (3742, 41860), (4186, 37420), (5980, 26194), (6440, 24323), (7484, 20930), (8372, 18710), (9355, 16744), (10465, 14968), (11960, 13097)]