128581472

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 72

約数和(自身を含む): 276419304

約数和(自身を除く): 147837832

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 68, 94, 107, 136, 188, 214, 272, 376, 428, 544, 752, 799, 856, 1504, 1598, 1712, 1819, 2209, 3196, 3424, 3638, 4418, 5029, 6392, 7276, 8836, 10058, 12784, 14552, 17672, 20116, 25568, 29104, 35344, 37553, 40232, 58208, 70688, 75106, 80464, 85493, 150212, 160928, 170986, 236363, 300424, 341972, 472726, 600848, 683944, 945452, 1201696, 1367888, 1890904, 2735776, 3781808, 4018171, 7563616, 8036342, 16072684, 32145368, 64290736, 128581472]

約数ペア:

[(1, 128581472), (2, 64290736), (4, 32145368), (8, 16072684), (16, 8036342), (17, 7563616), (32, 4018171), (34, 3781808), (47, 2735776), (68, 1890904), (94, 1367888), (107, 1201696), (136, 945452), (188, 683944), (214, 600848), (272, 472726), (376, 341972), (428, 300424), (544, 236363), (752, 170986), (799, 160928), (856, 150212), (1504, 85493), (1598, 80464), (1712, 75106), (1819, 70688), (2209, 58208), (3196, 40232), (3424, 37553), (3638, 35344), (4418, 29104), (5029, 25568), (6392, 20116), (7276, 17672), (8836, 14552), (10058, 12784)]