16404217480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1\times {\mathrm{733}}^1$

素因数の和:1319

約数の個数: 128

約数和(自身を含む): 42540526080

約数和(自身を除く): 26136308600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 311, 514, 622, 733, 1028, 1244, 1285, 1466, 1555, 1799, 2056, 2177, 2488, 2570, 2932, 3110, 3598, 3665, 4354, 5131, 5140, 5864, 6220, 7196, 7330, 8708, 8995, 10262, 10280, 10885, 12440, 14392, 14660, 17416, 17990, 20524, 21770, 25655, 29320, 35980, 41048, 43540, 51310, 71960, 79927, 87080, 102620, 159854, 188381, 205240, 227963, 319708, 376762, 399635, 455926, 559489, 639416, 753524, 799270, 911852, 941905, 1118978, 1139815, 1318667, 1507048, 1595741, 1598540, 1823704, 1883810, 2237956, 2279630, 2637334, 2797445, 3191482, 3197080, 3767620, 4475912, 4559260, 5274668, 5594890, 6382964, 6593335, 7535240, 7978705, 9118520, 10549336, 11189780, 12765928, 13186670, 15957410, 22379560, 26373340, 31914820, 52746680, 58586491, 63829640, 117172982, 234345964, 292932455, 410105437, 468691928, 585864910, 820210874, 1171729820, 1640421748, 2050527185, 2343459640, 3280843496, 4101054370, 8202108740, 16404217480]

約数ペア:

[(1, 16404217480), (2, 8202108740), (4, 4101054370), (5, 3280843496), (7, 2343459640), (8, 2050527185), (10, 1640421748), (14, 1171729820), (20, 820210874), (28, 585864910), (35, 468691928), (40, 410105437), (56, 292932455), (70, 234345964), (140, 117172982), (257, 63829640), (280, 58586491), (311, 52746680), (514, 31914820), (622, 26373340), (733, 22379560), (1028, 15957410), (1244, 13186670), (1285, 12765928), (1466, 11189780), (1555, 10549336), (1799, 9118520), (2056, 7978705), (2177, 7535240), (2488, 6593335), (2570, 6382964), (2932, 5594890), (3110, 5274668), (3598, 4559260), (3665, 4475912), (4354, 3767620), (5131, 3197080), (5140, 3191482), (5864, 2797445), (6220, 2637334), (7196, 2279630), (7330, 2237956), (8708, 1883810), (8995, 1823704), (10262, 1598540), (10280, 1595741), (10885, 1507048), (12440, 1318667), (14392, 1139815), (14660, 1118978), (17416, 941905), (17990, 911852), (20524, 799270), (21770, 753524), (25655, 639416), (29320, 559489), (35980, 455926), (41048, 399635), (43540, 376762), (51310, 319708), (71960, 227963), (79927, 205240), (87080, 188381), (102620, 159854)]