278340768

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{20563}}^1$

素因数の和:20626

約数の個数: 72

約数和(自身を含む): 808411968

約数和(自身を除く): 530071200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1504, 1692, 2256, 3384, 4512, 6768, 13536, 20563, 41126, 61689, 82252, 123378, 164504, 185067, 246756, 329008, 370134, 493512, 658016, 740268, 966461, 987024, 1480536, 1932922, 1974048, 2899383, 2961072, 3865844, 5798766, 5922144, 7731688, 8698149, 11597532, 15463376, 17396298, 23195064, 30926752, 34792596, 46390128, 69585192, 92780256, 139170384, 278340768]

約数ペア:

[(1, 278340768), (2, 139170384), (3, 92780256), (4, 69585192), (6, 46390128), (8, 34792596), (9, 30926752), (12, 23195064), (16, 17396298), (18, 15463376), (24, 11597532), (32, 8698149), (36, 7731688), (47, 5922144), (48, 5798766), (72, 3865844), (94, 2961072), (96, 2899383), (141, 1974048), (144, 1932922), (188, 1480536), (282, 987024), (288, 966461), (376, 740268), (423, 658016), (564, 493512), (752, 370134), (846, 329008), (1128, 246756), (1504, 185067), (1692, 164504), (2256, 123378), (3384, 82252), (4512, 61689), (6768, 41126), (13536, 20563)]