217678720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{48589}}^1$

素因数の和:48615

約数の個数: 64

約数和(自身を含む): 594741600

約数和(自身を除く): 377062880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 48589, 97178, 194356, 242945, 340123, 388712, 485890, 680246, 777424, 971780, 1360492, 1554848, 1700615, 1943560, 2720984, 3109696, 3401230, 3887120, 5441968, 6219392, 6802460, 7774240, 10883936, 13604920, 15548480, 21767872, 27209840, 31096960, 43535744, 54419680, 108839360, 217678720]

約数ペア:

[(1, 217678720), (2, 108839360), (4, 54419680), (5, 43535744), (7, 31096960), (8, 27209840), (10, 21767872), (14, 15548480), (16, 13604920), (20, 10883936), (28, 7774240), (32, 6802460), (35, 6219392), (40, 5441968), (56, 3887120), (64, 3401230), (70, 3109696), (80, 2720984), (112, 1943560), (128, 1700615), (140, 1554848), (160, 1360492), (224, 971780), (280, 777424), (320, 680246), (448, 485890), (560, 388712), (640, 340123), (896, 242945), (1120, 194356), (2240, 97178), (4480, 48589)]