128491272

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2217

約数の個数: 160

約数和(自身を含む): 443150400

約数和(自身を除く): 314659128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 117, 126, 156, 162, 168, 182, 189, 216, 234, 252, 273, 312, 324, 351, 364, 378, 468, 504, 546, 567, 648, 702, 728, 756, 819, 936, 1053, 1092, 1134, 1404, 1512, 1638, 2106, 2179, 2184, 2268, 2457, 2808, 3276, 4212, 4358, 4536, 4914, 6537, 6552, 7371, 8424, 8716, 9828, 13074, 14742, 15253, 17432, 19611, 19656, 26148, 28327, 29484, 30506, 39222, 45759, 52296, 56654, 58833, 58968, 61012, 78444, 84981, 91518, 113308, 117666, 122024, 137277, 156888, 169962, 176499, 183036, 198289, 226616, 235332, 254943, 274554, 339924, 352998, 366072, 396578, 411831, 470664, 509886, 549108, 594867, 679848, 705996, 764829, 793156, 823662, 1019772, 1098216, 1189734, 1235493, 1411992, 1529658, 1586312, 1647324, 1784601, 2039544, 2294487, 2379468, 2470986, 3059316, 3294648, 3569202, 4588974, 4758936, 4941972, 5353803, 6118632, 7138404, 9177948, 9883944, 10707606, 14276808, 16061409, 18355896, 21415212, 32122818, 42830424, 64245636, 128491272]

約数ペア:

[(1, 128491272), (2, 64245636), (3, 42830424), (4, 32122818), (6, 21415212), (7, 18355896), (8, 16061409), (9, 14276808), (12, 10707606), (13, 9883944), (14, 9177948), (18, 7138404), (21, 6118632), (24, 5353803), (26, 4941972), (27, 4758936), (28, 4588974), (36, 3569202), (39, 3294648), (42, 3059316), (52, 2470986), (54, 2379468), (56, 2294487), (63, 2039544), (72, 1784601), (78, 1647324), (81, 1586312), (84, 1529658), (91, 1411992), (104, 1235493), (108, 1189734), (117, 1098216), (126, 1019772), (156, 823662), (162, 793156), (168, 764829), (182, 705996), (189, 679848), (216, 594867), (234, 549108), (252, 509886), (273, 470664), (312, 411831), (324, 396578), (351, 366072), (364, 352998), (378, 339924), (468, 274554), (504, 254943), (546, 235332), (567, 226616), (648, 198289), (702, 183036), (728, 176499), (756, 169962), (819, 156888), (936, 137277), (1053, 122024), (1092, 117666), (1134, 113308), (1404, 91518), (1512, 84981), (1638, 78444), (2106, 61012), (2179, 58968), (2184, 58833), (2268, 56654), (2457, 52296), (2808, 45759), (3276, 39222), (4212, 30506), (4358, 29484), (4536, 28327), (4914, 26148), (6537, 19656), (6552, 19611), (7371, 17432), (8424, 15253), (8716, 14742), (9828, 13074)]