204780160

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:346

約数の個数: 128

約数和(自身を含む): 533957760

約数和(自身を除く): 329177600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 151, 160, 163, 208, 260, 302, 320, 326, 416, 520, 604, 640, 652, 755, 815, 832, 1040, 1208, 1304, 1510, 1630, 1664, 1963, 2080, 2119, 2416, 2608, 3020, 3260, 3926, 4160, 4238, 4832, 5216, 6040, 6520, 7852, 8320, 8476, 9664, 9815, 10432, 10595, 12080, 13040, 15704, 16952, 19328, 19630, 20864, 21190, 24160, 24613, 26080, 31408, 33904, 39260, 42380, 48320, 49226, 52160, 62816, 67808, 78520, 84760, 96640, 98452, 104320, 123065, 125632, 135616, 157040, 169520, 196904, 246130, 251264, 271232, 314080, 319969, 339040, 393808, 492260, 628160, 639938, 678080, 787616, 984520, 1256320, 1279876, 1356160, 1575232, 1599845, 1969040, 2559752, 3150464, 3199690, 3938080, 5119504, 6399380, 7876160, 10239008, 12798760, 15752320, 20478016, 25597520, 40956032, 51195040, 102390080, 204780160]

約数ペア:

[(1, 204780160), (2, 102390080), (4, 51195040), (5, 40956032), (8, 25597520), (10, 20478016), (13, 15752320), (16, 12798760), (20, 10239008), (26, 7876160), (32, 6399380), (40, 5119504), (52, 3938080), (64, 3199690), (65, 3150464), (80, 2559752), (104, 1969040), (128, 1599845), (130, 1575232), (151, 1356160), (160, 1279876), (163, 1256320), (208, 984520), (260, 787616), (302, 678080), (320, 639938), (326, 628160), (416, 492260), (520, 393808), (604, 339040), (640, 319969), (652, 314080), (755, 271232), (815, 251264), (832, 246130), (1040, 196904), (1208, 169520), (1304, 157040), (1510, 135616), (1630, 125632), (1664, 123065), (1963, 104320), (2080, 98452), (2119, 96640), (2416, 84760), (2608, 78520), (3020, 67808), (3260, 62816), (3926, 52160), (4160, 49226), (4238, 48320), (4832, 42380), (5216, 39260), (6040, 33904), (6520, 31408), (7852, 26080), (8320, 24613), (8476, 24160), (9664, 21190), (9815, 20864), (10432, 19630), (10595, 19328), (12080, 16952), (13040, 15704)]