638210560

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:314

約数の個数: 160

約数和(自身を含む): 1671892992

約数和(自身を除く): 1033682432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 151, 160, 208, 254, 256, 260, 302, 320, 416, 508, 512, 520, 604, 635, 640, 755, 832, 1016, 1040, 1208, 1270, 1280, 1510, 1651, 1664, 1963, 2032, 2080, 2416, 2540, 2560, 3020, 3302, 3328, 3926, 4064, 4160, 4832, 5080, 6040, 6604, 6656, 7852, 8128, 8255, 8320, 9664, 9815, 10160, 12080, 13208, 15704, 16256, 16510, 16640, 19177, 19328, 19630, 20320, 24160, 26416, 31408, 32512, 33020, 33280, 38354, 38656, 39260, 40640, 48320, 52832, 62816, 65024, 66040, 76708, 77312, 78520, 81280, 95885, 96640, 105664, 125632, 132080, 153416, 157040, 162560, 191770, 193280, 211328, 249301, 251264, 264160, 306832, 314080, 325120, 383540, 386560, 422656, 498602, 502528, 528320, 613664, 628160, 767080, 845312, 997204, 1005056, 1056640, 1227328, 1246505, 1256320, 1534160, 1994408, 2113280, 2454656, 2493010, 2512640, 3068320, 3988816, 4226560, 4909312, 4986020, 5025280, 6136640, 7977632, 9818624, 9972040, 12273280, 15955264, 19944080, 24546560, 31910528, 39888160, 49093120, 63821056, 79776320, 127642112, 159552640, 319105280, 638210560]

約数ペア:

[(1, 638210560), (2, 319105280), (4, 159552640), (5, 127642112), (8, 79776320), (10, 63821056), (13, 49093120), (16, 39888160), (20, 31910528), (26, 24546560), (32, 19944080), (40, 15955264), (52, 12273280), (64, 9972040), (65, 9818624), (80, 7977632), (104, 6136640), (127, 5025280), (128, 4986020), (130, 4909312), (151, 4226560), (160, 3988816), (208, 3068320), (254, 2512640), (256, 2493010), (260, 2454656), (302, 2113280), (320, 1994408), (416, 1534160), (508, 1256320), (512, 1246505), (520, 1227328), (604, 1056640), (635, 1005056), (640, 997204), (755, 845312), (832, 767080), (1016, 628160), (1040, 613664), (1208, 528320), (1270, 502528), (1280, 498602), (1510, 422656), (1651, 386560), (1664, 383540), (1963, 325120), (2032, 314080), (2080, 306832), (2416, 264160), (2540, 251264), (2560, 249301), (3020, 211328), (3302, 193280), (3328, 191770), (3926, 162560), (4064, 157040), (4160, 153416), (4832, 132080), (5080, 125632), (6040, 105664), (6604, 96640), (6656, 95885), (7852, 81280), (8128, 78520), (8255, 77312), (8320, 76708), (9664, 66040), (9815, 65024), (10160, 62816), (12080, 52832), (13208, 48320), (15704, 40640), (16256, 39260), (16510, 38656), (16640, 38354), (19177, 33280), (19328, 33020), (19630, 32512), (20320, 31408), (24160, 26416)]