161556564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 439024320

約数和(自身を除く): 277467756

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 41, 52, 58, 67, 78, 82, 87, 116, 123, 134, 156, 164, 169, 174, 201, 246, 268, 338, 348, 377, 402, 492, 507, 533, 676, 754, 804, 871, 1014, 1066, 1131, 1189, 1508, 1599, 1742, 1943, 2028, 2132, 2262, 2378, 2613, 2747, 3198, 3484, 3567, 3886, 4524, 4756, 4901, 5226, 5494, 5829, 6396, 6929, 7134, 7772, 8241, 9802, 10452, 10988, 11323, 11658, 13858, 14268, 14703, 15457, 16482, 19604, 20787, 22646, 23316, 25259, 27716, 29406, 30914, 32964, 33969, 35711, 41574, 45292, 46371, 50518, 58812, 61828, 67938, 71422, 75777, 79663, 83148, 92742, 101036, 107133, 135876, 142844, 151554, 159326, 185484, 200941, 214266, 238989, 303108, 318652, 328367, 401882, 428532, 464243, 477978, 602823, 656734, 803764, 928486, 955956, 985101, 1035619, 1205646, 1313468, 1392729, 1856972, 1970202, 2071238, 2411292, 2785458, 3106857, 3940404, 4142476, 5570916, 6213714, 12427428, 13463047, 26926094, 40389141, 53852188, 80778282, 161556564]

約数ペア:

[(1, 161556564), (2, 80778282), (3, 53852188), (4, 40389141), (6, 26926094), (12, 13463047), (13, 12427428), (26, 6213714), (29, 5570916), (39, 4142476), (41, 3940404), (52, 3106857), (58, 2785458), (67, 2411292), (78, 2071238), (82, 1970202), (87, 1856972), (116, 1392729), (123, 1313468), (134, 1205646), (156, 1035619), (164, 985101), (169, 955956), (174, 928486), (201, 803764), (246, 656734), (268, 602823), (338, 477978), (348, 464243), (377, 428532), (402, 401882), (492, 328367), (507, 318652), (533, 303108), (676, 238989), (754, 214266), (804, 200941), (871, 185484), (1014, 159326), (1066, 151554), (1131, 142844), (1189, 135876), (1508, 107133), (1599, 101036), (1742, 92742), (1943, 83148), (2028, 79663), (2132, 75777), (2262, 71422), (2378, 67938), (2613, 61828), (2747, 58812), (3198, 50518), (3484, 46371), (3567, 45292), (3886, 41574), (4524, 35711), (4756, 33969), (4901, 32964), (5226, 30914), (5494, 29406), (5829, 27716), (6396, 25259), (6929, 23316), (7134, 22646), (7772, 20787), (8241, 19604), (9802, 16482), (10452, 15457), (10988, 14703), (11323, 14268), (11658, 13858)]