557658920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6661}}^1$

素因数の和:6715

約数の個数: 128

約数和(自身を含む): 1611671040

約数和(自身を除く): 1054012120

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, 2093, 2392, 2990, 3220, 3640, 4186, 5980, 6440, 6661, 8372, 10465, 11960, 13322, 16744, 20930, 26644, 33305, 41860, 46627, 53288, 66610, 83720, 86593, 93254, 133220, 153203, 173186, 186508, 233135, 266440, 306406, 346372, 373016, 432965, 466270, 606151, 612812, 692744, 766015, 865930, 932540, 1072421, 1212302, 1225624, 1532030, 1731860, 1865080, 1991639, 2144842, 2424604, 3030755, 3064060, 3463720, 3983278, 4289684, 4849208, 5362105, 6061510, 6128120, 7966556, 8579368, 9958195, 10724210, 12123020, 13941473, 15933112, 19916390, 21448420, 24246040, 27882946, 39832780, 42896840, 55765892, 69707365, 79665560, 111531784, 139414730, 278829460, 557658920]

約数ペア:

[(1, 557658920), (2, 278829460), (4, 139414730), (5, 111531784), (7, 79665560), (8, 69707365), (10, 55765892), (13, 42896840), (14, 39832780), (20, 27882946), (23, 24246040), (26, 21448420), (28, 19916390), (35, 15933112), (40, 13941473), (46, 12123020), (52, 10724210), (56, 9958195), (65, 8579368), (70, 7966556), (91, 6128120), (92, 6061510), (104, 5362105), (115, 4849208), (130, 4289684), (140, 3983278), (161, 3463720), (182, 3064060), (184, 3030755), (230, 2424604), (260, 2144842), (280, 1991639), (299, 1865080), (322, 1731860), (364, 1532030), (455, 1225624), (460, 1212302), (520, 1072421), (598, 932540), (644, 865930), (728, 766015), (805, 692744), (910, 612812), (920, 606151), (1196, 466270), (1288, 432965), (1495, 373016), (1610, 346372), (1820, 306406), (2093, 266440), (2392, 233135), (2990, 186508), (3220, 173186), (3640, 153203), (4186, 133220), (5980, 93254), (6440, 86593), (6661, 83720), (8372, 66610), (10465, 53288), (11960, 46627), (13322, 41860), (16744, 33305), (20930, 26644)]