271955720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{787}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 628067520

約数和(自身を除く): 356111800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 163, 212, 265, 326, 424, 530, 652, 787, 815, 1060, 1304, 1574, 1630, 2120, 3148, 3260, 3935, 6296, 6520, 7870, 8639, 15740, 17278, 31480, 34556, 41711, 43195, 69112, 83422, 86390, 128281, 166844, 172780, 208555, 256562, 333688, 345560, 417110, 513124, 641405, 834220, 1026248, 1282810, 1668440, 2565620, 5131240, 6798893, 13597786, 27195572, 33994465, 54391144, 67988930, 135977860, 271955720]

約数ペア:

[(1, 271955720), (2, 135977860), (4, 67988930), (5, 54391144), (8, 33994465), (10, 27195572), (20, 13597786), (40, 6798893), (53, 5131240), (106, 2565620), (163, 1668440), (212, 1282810), (265, 1026248), (326, 834220), (424, 641405), (530, 513124), (652, 417110), (787, 345560), (815, 333688), (1060, 256562), (1304, 208555), (1574, 172780), (1630, 166844), (2120, 128281), (3148, 86390), (3260, 83422), (3935, 69112), (6296, 43195), (6520, 41711), (7870, 34556), (8639, 31480), (15740, 17278)]