27840280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1447}}^1$

素因数の和:1508

約数の個数: 64

約数和(自身を含む): 69330240

約数和(自身を除く): 41489960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1447, 1480, 1924, 2405, 2894, 3848, 4810, 5788, 7235, 9620, 11576, 14470, 18811, 19240, 28940, 37622, 53539, 57880, 75244, 94055, 107078, 150488, 188110, 214156, 267695, 376220, 428312, 535390, 696007, 752440, 1070780, 1392014, 2141560, 2784028, 3480035, 5568056, 6960070, 13920140, 27840280]

約数ペア:

[(1, 27840280), (2, 13920140), (4, 6960070), (5, 5568056), (8, 3480035), (10, 2784028), (13, 2141560), (20, 1392014), (26, 1070780), (37, 752440), (40, 696007), (52, 535390), (65, 428312), (74, 376220), (104, 267695), (130, 214156), (148, 188110), (185, 150488), (260, 107078), (296, 94055), (370, 75244), (481, 57880), (520, 53539), (740, 37622), (962, 28940), (1447, 19240), (1480, 18811), (1924, 14470), (2405, 11576), (2894, 9620), (3848, 7235), (4810, 5788)]