215274605

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 330946560

約数和(自身を除く): 115671955

約数列:

[1, 5, 7, 13, 35, 53, 65, 79, 91, 113, 265, 371, 395, 455, 553, 565, 689, 791, 1027, 1469, 1855, 2765, 3445, 3955, 4187, 4823, 5135, 5989, 7189, 7345, 8927, 10283, 20935, 24115, 29309, 29945, 35945, 41923, 44635, 51415, 54431, 62489, 77857, 116051, 146545, 209615, 272155, 312445, 381017, 389285, 473131, 544999, 580255, 812357, 1905085, 2365655, 2724995, 3311917, 4061785, 6150703, 16559585, 30753515, 43054921, 215274605]

約数ペア:

[(1, 215274605), (5, 43054921), (7, 30753515), (13, 16559585), (35, 6150703), (53, 4061785), (65, 3311917), (79, 2724995), (91, 2365655), (113, 1905085), (265, 812357), (371, 580255), (395, 544999), (455, 473131), (553, 389285), (565, 381017), (689, 312445), (791, 272155), (1027, 209615), (1469, 146545), (1855, 116051), (2765, 77857), (3445, 62489), (3955, 54431), (4187, 51415), (4823, 44635), (5135, 41923), (5989, 35945), (7189, 29945), (7345, 29309), (8927, 24115), (10283, 20935)]