67839520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:555

約数の個数: 144

約数和(自身を含む): 197792280

約数和(自身を除く): 129952760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 340, 392, 476, 490, 509, 544, 560, 595, 680, 784, 833, 952, 980, 1018, 1120, 1190, 1360, 1568, 1666, 1904, 1960, 2036, 2380, 2545, 2720, 3332, 3563, 3808, 3920, 4072, 4165, 4760, 5090, 6664, 7126, 7840, 8144, 8330, 8653, 9520, 10180, 13328, 14252, 16288, 16660, 17306, 17815, 19040, 20360, 24941, 26656, 28504, 33320, 34612, 35630, 40720, 43265, 49882, 57008, 60571, 66640, 69224, 71260, 81440, 86530, 99764, 114016, 121142, 124705, 133280, 138448, 142520, 173060, 199528, 242284, 249410, 276896, 285040, 302855, 346120, 399056, 423997, 484568, 498820, 570080, 605710, 692240, 798112, 847994, 969136, 997640, 1211420, 1384480, 1695988, 1938272, 1995280, 2119985, 2422840, 3391976, 3990560, 4239970, 4845680, 6783952, 8479940, 9691360, 13567904, 16959880, 33919760, 67839520]

約数ペア:

[(1, 67839520), (2, 33919760), (4, 16959880), (5, 13567904), (7, 9691360), (8, 8479940), (10, 6783952), (14, 4845680), (16, 4239970), (17, 3990560), (20, 3391976), (28, 2422840), (32, 2119985), (34, 1995280), (35, 1938272), (40, 1695988), (49, 1384480), (56, 1211420), (68, 997640), (70, 969136), (80, 847994), (85, 798112), (98, 692240), (112, 605710), (119, 570080), (136, 498820), (140, 484568), (160, 423997), (170, 399056), (196, 346120), (224, 302855), (238, 285040), (245, 276896), (272, 249410), (280, 242284), (340, 199528), (392, 173060), (476, 142520), (490, 138448), (509, 133280), (544, 124705), (560, 121142), (595, 114016), (680, 99764), (784, 86530), (833, 81440), (952, 71260), (980, 69224), (1018, 66640), (1120, 60571), (1190, 57008), (1360, 49882), (1568, 43265), (1666, 40720), (1904, 35630), (1960, 34612), (2036, 33320), (2380, 28504), (2545, 26656), (2720, 24941), (3332, 20360), (3563, 19040), (3808, 17815), (3920, 17306), (4072, 16660), (4165, 16288), (4760, 14252), (5090, 13328), (6664, 10180), (7126, 9520), (7840, 8653), (8144, 8330)]