318843520

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3803}}^1$

素因数の和:3953

約数の個数: 64

約数和(自身を含む): 768255840

約数和(自身を除く): 449412320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 2096, 2620, 3803, 4192, 5240, 7606, 8384, 10480, 15212, 16768, 19015, 20960, 30424, 38030, 41920, 60848, 76060, 83840, 121696, 152120, 243392, 304240, 486784, 498193, 608480, 996386, 1216960, 1992772, 2433920, 2490965, 3985544, 4981930, 7971088, 9963860, 15942176, 19927720, 31884352, 39855440, 63768704, 79710880, 159421760, 318843520]

約数ペア:

[(1, 318843520), (2, 159421760), (4, 79710880), (5, 63768704), (8, 39855440), (10, 31884352), (16, 19927720), (20, 15942176), (32, 9963860), (40, 7971088), (64, 4981930), (80, 3985544), (128, 2490965), (131, 2433920), (160, 1992772), (262, 1216960), (320, 996386), (524, 608480), (640, 498193), (655, 486784), (1048, 304240), (1310, 243392), (2096, 152120), (2620, 121696), (3803, 83840), (4192, 76060), (5240, 60848), (7606, 41920), (8384, 38030), (10480, 30424), (15212, 20960), (16768, 19015)]