13661480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 35562240

約数和(自身を除く): 21900760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 503, 679, 776, 970, 1006, 1358, 1940, 2012, 2515, 2716, 3395, 3521, 3880, 4024, 5030, 5432, 6790, 7042, 10060, 13580, 14084, 17605, 20120, 27160, 28168, 35210, 48791, 70420, 97582, 140840, 195164, 243955, 341537, 390328, 487910, 683074, 975820, 1366148, 1707685, 1951640, 2732296, 3415370, 6830740, 13661480]

約数ペア:

[(1, 13661480), (2, 6830740), (4, 3415370), (5, 2732296), (7, 1951640), (8, 1707685), (10, 1366148), (14, 975820), (20, 683074), (28, 487910), (35, 390328), (40, 341537), (56, 243955), (70, 195164), (97, 140840), (140, 97582), (194, 70420), (280, 48791), (388, 35210), (485, 28168), (503, 27160), (679, 20120), (776, 17605), (970, 14084), (1006, 13580), (1358, 10060), (1940, 7042), (2012, 6790), (2515, 5432), (2716, 5030), (3395, 4024), (3521, 3880)]