128113542

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 321408000

約数和(自身を除く): 193294458

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 61, 69, 89, 114, 122, 138, 171, 178, 183, 207, 267, 342, 366, 414, 437, 513, 534, 549, 621, 801, 874, 1026, 1098, 1159, 1242, 1311, 1403, 1602, 1647, 1691, 2047, 2318, 2403, 2622, 2806, 3294, 3382, 3477, 3933, 4094, 4209, 4806, 5073, 5429, 6141, 6954, 7866, 8418, 10146, 10431, 10858, 11799, 12282, 12627, 15219, 16287, 18423, 20862, 23598, 25254, 26657, 30438, 31293, 32574, 36846, 37881, 38893, 45657, 48861, 53314, 55269, 62586, 75762, 77786, 79971, 91314, 97722, 103151, 110538, 116679, 124867, 146583, 159942, 206302, 233358, 239913, 249734, 293166, 309453, 350037, 374601, 479826, 618906, 700074, 719739, 749202, 928359, 1050111, 1123803, 1439478, 1856718, 2100222, 2247606, 2372473, 2785077, 3371409, 4744946, 5570154, 6742818, 7117419, 14234838, 21352257, 42704514, 64056771, 128113542]

約数ペア:

[(1, 128113542), (2, 64056771), (3, 42704514), (6, 21352257), (9, 14234838), (18, 7117419), (19, 6742818), (23, 5570154), (27, 4744946), (38, 3371409), (46, 2785077), (54, 2372473), (57, 2247606), (61, 2100222), (69, 1856718), (89, 1439478), (114, 1123803), (122, 1050111), (138, 928359), (171, 749202), (178, 719739), (183, 700074), (207, 618906), (267, 479826), (342, 374601), (366, 350037), (414, 309453), (437, 293166), (513, 249734), (534, 239913), (549, 233358), (621, 206302), (801, 159942), (874, 146583), (1026, 124867), (1098, 116679), (1159, 110538), (1242, 103151), (1311, 97722), (1403, 91314), (1602, 79971), (1647, 77786), (1691, 75762), (2047, 62586), (2318, 55269), (2403, 53314), (2622, 48861), (2806, 45657), (3294, 38893), (3382, 37881), (3477, 36846), (3933, 32574), (4094, 31293), (4209, 30438), (4806, 26657), (5073, 25254), (5429, 23598), (6141, 20862), (6954, 18423), (7866, 16287), (8418, 15219), (10146, 12627), (10431, 12282), (10858, 11799)]