16609040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 47496960

約数和(自身を除く): 30887920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 223, 245, 266, 280, 304, 380, 392, 446, 490, 532, 560, 665, 760, 784, 892, 931, 980, 1064, 1115, 1330, 1520, 1561, 1784, 1862, 1960, 2128, 2230, 2660, 3122, 3568, 3724, 3920, 4237, 4460, 4655, 5320, 6244, 7448, 7805, 8474, 8920, 9310, 10640, 10927, 12488, 14896, 15610, 16948, 17840, 18620, 21185, 21854, 24976, 29659, 31220, 33896, 37240, 42370, 43708, 54635, 59318, 62440, 67792, 74480, 84740, 87416, 109270, 118636, 124880, 148295, 169480, 174832, 207613, 218540, 237272, 296590, 338960, 415226, 437080, 474544, 593180, 830452, 874160, 1038065, 1186360, 1660904, 2076130, 2372720, 3321808, 4152260, 8304520, 16609040]

約数ペア:

[(1, 16609040), (2, 8304520), (4, 4152260), (5, 3321808), (7, 2372720), (8, 2076130), (10, 1660904), (14, 1186360), (16, 1038065), (19, 874160), (20, 830452), (28, 593180), (35, 474544), (38, 437080), (40, 415226), (49, 338960), (56, 296590), (70, 237272), (76, 218540), (80, 207613), (95, 174832), (98, 169480), (112, 148295), (133, 124880), (140, 118636), (152, 109270), (190, 87416), (196, 84740), (223, 74480), (245, 67792), (266, 62440), (280, 59318), (304, 54635), (380, 43708), (392, 42370), (446, 37240), (490, 33896), (532, 31220), (560, 29659), (665, 24976), (760, 21854), (784, 21185), (892, 18620), (931, 17840), (980, 16948), (1064, 15610), (1115, 14896), (1330, 12488), (1520, 10927), (1561, 10640), (1784, 9310), (1862, 8920), (1960, 8474), (2128, 7805), (2230, 7448), (2660, 6244), (3122, 5320), (3568, 4655), (3724, 4460), (3920, 4237)]