67969720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 191600640

約数和(自身を除く): 123630920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 263, 280, 284, 355, 364, 455, 497, 520, 526, 568, 710, 728, 910, 923, 994, 1052, 1315, 1420, 1820, 1841, 1846, 1988, 2104, 2485, 2630, 2840, 3419, 3640, 3682, 3692, 3976, 4615, 4970, 5260, 6461, 6838, 7364, 7384, 9205, 9230, 9940, 10520, 12922, 13676, 14728, 17095, 18410, 18460, 18673, 19880, 23933, 25844, 27352, 32305, 34190, 36820, 36920, 37346, 47866, 51688, 64610, 68380, 73640, 74692, 93365, 95732, 119665, 129220, 130711, 136760, 149384, 186730, 191464, 239330, 242749, 258440, 261422, 373460, 478660, 485498, 522844, 653555, 746920, 957320, 970996, 1045688, 1213745, 1307110, 1699243, 1941992, 2427490, 2614220, 3398486, 4854980, 5228440, 6796972, 8496215, 9709960, 13593944, 16992430, 33984860, 67969720]

約数ペア:

[(1, 67969720), (2, 33984860), (4, 16992430), (5, 13593944), (7, 9709960), (8, 8496215), (10, 6796972), (13, 5228440), (14, 4854980), (20, 3398486), (26, 2614220), (28, 2427490), (35, 1941992), (40, 1699243), (52, 1307110), (56, 1213745), (65, 1045688), (70, 970996), (71, 957320), (91, 746920), (104, 653555), (130, 522844), (140, 485498), (142, 478660), (182, 373460), (260, 261422), (263, 258440), (280, 242749), (284, 239330), (355, 191464), (364, 186730), (455, 149384), (497, 136760), (520, 130711), (526, 129220), (568, 119665), (710, 95732), (728, 93365), (910, 74692), (923, 73640), (994, 68380), (1052, 64610), (1315, 51688), (1420, 47866), (1820, 37346), (1841, 36920), (1846, 36820), (1988, 34190), (2104, 32305), (2485, 27352), (2630, 25844), (2840, 23933), (3419, 19880), (3640, 18673), (3682, 18460), (3692, 18410), (3976, 17095), (4615, 14728), (4970, 13676), (5260, 12922), (6461, 10520), (6838, 9940), (7364, 9230), (7384, 9205)]