161556528

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:635

約数の個数: 120

約数和(自身を含む): 489812400

約数和(自身を除く): 328255872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 149, 168, 196, 294, 298, 336, 392, 447, 461, 588, 596, 784, 894, 922, 1043, 1176, 1192, 1383, 1788, 1844, 2086, 2352, 2384, 2766, 3129, 3227, 3576, 3688, 4172, 5532, 6258, 6454, 7152, 7301, 7376, 8344, 9681, 11064, 12516, 12908, 14602, 16688, 19362, 21903, 22128, 22589, 25032, 25816, 29204, 38724, 43806, 45178, 50064, 51632, 58408, 67767, 68689, 77448, 87612, 90356, 116816, 135534, 137378, 154896, 175224, 180712, 206067, 271068, 274756, 350448, 361424, 412134, 480823, 542136, 549512, 824268, 961646, 1084272, 1099024, 1442469, 1648536, 1923292, 2884938, 3297072, 3365761, 3846584, 5769876, 6731522, 7693168, 10097283, 11539752, 13463044, 20194566, 23079504, 26926088, 40389132, 53852176, 80778264, 161556528]

約数ペア:

[(1, 161556528), (2, 80778264), (3, 53852176), (4, 40389132), (6, 26926088), (7, 23079504), (8, 20194566), (12, 13463044), (14, 11539752), (16, 10097283), (21, 7693168), (24, 6731522), (28, 5769876), (42, 3846584), (48, 3365761), (49, 3297072), (56, 2884938), (84, 1923292), (98, 1648536), (112, 1442469), (147, 1099024), (149, 1084272), (168, 961646), (196, 824268), (294, 549512), (298, 542136), (336, 480823), (392, 412134), (447, 361424), (461, 350448), (588, 274756), (596, 271068), (784, 206067), (894, 180712), (922, 175224), (1043, 154896), (1176, 137378), (1192, 135534), (1383, 116816), (1788, 90356), (1844, 87612), (2086, 77448), (2352, 68689), (2384, 67767), (2766, 58408), (3129, 51632), (3227, 50064), (3576, 45178), (3688, 43806), (4172, 38724), (5532, 29204), (6258, 25816), (6454, 25032), (7152, 22589), (7301, 22128), (7376, 21903), (8344, 19362), (9681, 16688), (11064, 14602), (12516, 12908)]