260578864

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:763

約数の個数: 120

約数和(自身を含む): 650510448

約数和(自身を除く): 389931584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 49, 52, 56, 74, 91, 98, 104, 112, 148, 182, 196, 208, 259, 296, 364, 392, 481, 518, 592, 637, 691, 728, 784, 962, 1036, 1274, 1382, 1456, 1813, 1924, 2072, 2548, 2764, 3367, 3626, 3848, 4144, 4837, 5096, 5528, 6734, 7252, 7696, 8983, 9674, 10192, 11056, 13468, 14504, 17966, 19348, 23569, 25567, 26936, 29008, 33859, 35932, 38696, 47138, 51134, 53872, 62881, 67718, 71864, 77392, 94276, 102268, 125762, 135436, 143728, 178969, 188552, 204536, 251524, 270872, 332371, 357938, 377104, 409072, 440167, 503048, 541744, 664742, 715876, 880334, 1006096, 1252783, 1329484, 1431752, 1760668, 2326597, 2505566, 2658968, 2863504, 3521336, 4653194, 5011132, 5317936, 7042672, 9306388, 10022264, 16286179, 18612776, 20044528, 32572358, 37225552, 65144716, 130289432, 260578864]

約数ペア:

[(1, 260578864), (2, 130289432), (4, 65144716), (7, 37225552), (8, 32572358), (13, 20044528), (14, 18612776), (16, 16286179), (26, 10022264), (28, 9306388), (37, 7042672), (49, 5317936), (52, 5011132), (56, 4653194), (74, 3521336), (91, 2863504), (98, 2658968), (104, 2505566), (112, 2326597), (148, 1760668), (182, 1431752), (196, 1329484), (208, 1252783), (259, 1006096), (296, 880334), (364, 715876), (392, 664742), (481, 541744), (518, 503048), (592, 440167), (637, 409072), (691, 377104), (728, 357938), (784, 332371), (962, 270872), (1036, 251524), (1274, 204536), (1382, 188552), (1456, 178969), (1813, 143728), (1924, 135436), (2072, 125762), (2548, 102268), (2764, 94276), (3367, 77392), (3626, 71864), (3848, 67718), (4144, 62881), (4837, 53872), (5096, 51134), (5528, 47138), (6734, 38696), (7252, 35932), (7696, 33859), (8983, 29008), (9674, 26936), (10192, 25567), (11056, 23569), (13468, 19348), (14504, 17966)]