256923216

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2659}}^1$

素因数の和:2745

約数の個数: 120

約数和(自身を含む): 797553120

約数和(自身を除く): 540629904

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 61, 66, 72, 88, 99, 122, 132, 144, 176, 183, 198, 244, 264, 366, 396, 488, 528, 549, 671, 732, 792, 976, 1098, 1342, 1464, 1584, 2013, 2196, 2659, 2684, 2928, 4026, 4392, 5318, 5368, 6039, 7977, 8052, 8784, 10636, 10736, 12078, 15954, 16104, 21272, 23931, 24156, 29249, 31908, 32208, 42544, 47862, 48312, 58498, 63816, 87747, 95724, 96624, 116996, 127632, 162199, 175494, 191448, 233992, 263241, 324398, 350988, 382896, 467984, 486597, 526482, 648796, 701976, 973194, 1052964, 1297592, 1403952, 1459791, 1784189, 1946388, 2105928, 2595184, 2919582, 3568378, 3892776, 4211856, 5352567, 5839164, 7136756, 7785552, 10705134, 11678328, 14273512, 16057701, 21410268, 23356656, 28547024, 32115402, 42820536, 64230804, 85641072, 128461608, 256923216]

約数ペア:

[(1, 256923216), (2, 128461608), (3, 85641072), (4, 64230804), (6, 42820536), (8, 32115402), (9, 28547024), (11, 23356656), (12, 21410268), (16, 16057701), (18, 14273512), (22, 11678328), (24, 10705134), (33, 7785552), (36, 7136756), (44, 5839164), (48, 5352567), (61, 4211856), (66, 3892776), (72, 3568378), (88, 2919582), (99, 2595184), (122, 2105928), (132, 1946388), (144, 1784189), (176, 1459791), (183, 1403952), (198, 1297592), (244, 1052964), (264, 973194), (366, 701976), (396, 648796), (488, 526482), (528, 486597), (549, 467984), (671, 382896), (732, 350988), (792, 324398), (976, 263241), (1098, 233992), (1342, 191448), (1464, 175494), (1584, 162199), (2013, 127632), (2196, 116996), (2659, 96624), (2684, 95724), (2928, 87747), (4026, 63816), (4392, 58498), (5318, 48312), (5368, 47862), (6039, 42544), (7977, 32208), (8052, 31908), (8784, 29249), (10636, 24156), (10736, 23931), (12078, 21272), (15954, 16104)]