65328640

素因数分解:

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

素因数の和:200

約数の個数: 120

約数和(自身を含む): 170734608

約数和(自身を除く): 105405968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 151, 160, 169, 208, 256, 260, 302, 320, 338, 416, 512, 520, 604, 640, 676, 755, 832, 845, 1040, 1208, 1280, 1352, 1510, 1664, 1690, 1963, 2080, 2416, 2560, 2704, 3020, 3328, 3380, 3926, 4160, 4832, 5408, 6040, 6656, 6760, 7852, 8320, 9664, 9815, 10816, 12080, 13520, 15704, 16640, 19328, 19630, 21632, 24160, 25519, 27040, 31408, 33280, 38656, 39260, 43264, 48320, 51038, 54080, 62816, 77312, 78520, 86528, 96640, 102076, 108160, 125632, 127595, 157040, 193280, 204152, 216320, 251264, 255190, 314080, 386560, 408304, 432640, 502528, 510380, 628160, 816608, 1005056, 1020760, 1256320, 1633216, 2041520, 2512640, 3266432, 4083040, 5025280, 6532864, 8166080, 13065728, 16332160, 32664320, 65328640]

約数ペア:

[(1, 65328640), (2, 32664320), (4, 16332160), (5, 13065728), (8, 8166080), (10, 6532864), (13, 5025280), (16, 4083040), (20, 3266432), (26, 2512640), (32, 2041520), (40, 1633216), (52, 1256320), (64, 1020760), (65, 1005056), (80, 816608), (104, 628160), (128, 510380), (130, 502528), (151, 432640), (160, 408304), (169, 386560), (208, 314080), (256, 255190), (260, 251264), (302, 216320), (320, 204152), (338, 193280), (416, 157040), (512, 127595), (520, 125632), (604, 108160), (640, 102076), (676, 96640), (755, 86528), (832, 78520), (845, 77312), (1040, 62816), (1208, 54080), (1280, 51038), (1352, 48320), (1510, 43264), (1664, 39260), (1690, 38656), (1963, 33280), (2080, 31408), (2416, 27040), (2560, 25519), (2704, 24160), (3020, 21632), (3328, 19630), (3380, 19328), (3926, 16640), (4160, 15704), (4832, 13520), (5408, 12080), (6040, 10816), (6656, 9815), (6760, 9664), (7852, 8320)]