27205780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 74462976

約数和(自身を除く): 47257196

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 49, 68, 70, 71, 85, 92, 98, 115, 119, 140, 142, 161, 170, 196, 230, 238, 245, 284, 322, 340, 355, 391, 460, 476, 490, 497, 595, 644, 710, 782, 805, 833, 980, 994, 1127, 1190, 1207, 1420, 1564, 1610, 1633, 1666, 1955, 1988, 2254, 2380, 2414, 2485, 2737, 3220, 3266, 3332, 3479, 3910, 4165, 4508, 4828, 4970, 5474, 5635, 6035, 6532, 6958, 7820, 8165, 8330, 8449, 9940, 10948, 11270, 11431, 12070, 13685, 13916, 16330, 16660, 16898, 17395, 19159, 22540, 22862, 24140, 27370, 27761, 32660, 33796, 34790, 38318, 42245, 45724, 54740, 55522, 57155, 59143, 69580, 76636, 80017, 84490, 95795, 111044, 114310, 118286, 138805, 160034, 168980, 191590, 194327, 228620, 236572, 277610, 295715, 320068, 383180, 388654, 400085, 555220, 591430, 777308, 800170, 971635, 1182860, 1360289, 1600340, 1943270, 2720578, 3886540, 5441156, 6801445, 13602890, 27205780]

約数ペア:

[(1, 27205780), (2, 13602890), (4, 6801445), (5, 5441156), (7, 3886540), (10, 2720578), (14, 1943270), (17, 1600340), (20, 1360289), (23, 1182860), (28, 971635), (34, 800170), (35, 777308), (46, 591430), (49, 555220), (68, 400085), (70, 388654), (71, 383180), (85, 320068), (92, 295715), (98, 277610), (115, 236572), (119, 228620), (140, 194327), (142, 191590), (161, 168980), (170, 160034), (196, 138805), (230, 118286), (238, 114310), (245, 111044), (284, 95795), (322, 84490), (340, 80017), (355, 76636), (391, 69580), (460, 59143), (476, 57155), (490, 55522), (497, 54740), (595, 45724), (644, 42245), (710, 38318), (782, 34790), (805, 33796), (833, 32660), (980, 27761), (994, 27370), (1127, 24140), (1190, 22862), (1207, 22540), (1420, 19159), (1564, 17395), (1610, 16898), (1633, 16660), (1666, 16330), (1955, 13916), (1988, 13685), (2254, 12070), (2380, 11431), (2414, 11270), (2485, 10948), (2737, 9940), (3220, 8449), (3266, 8330), (3332, 8165), (3479, 7820), (3910, 6958), (4165, 6532), (4508, 6035), (4828, 5635), (4970, 5474)]