157684920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5113}}^1$

素因数の和:5384

約数の個数: 64

約数和(自身を含む): 474988320

約数和(自身を除く): 317303400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5113, 5140, 6168, 7710, 10226, 10280, 15339, 15420, 20452, 25565, 30678, 30840, 40904, 51130, 61356, 76695, 102260, 122712, 153390, 204520, 306780, 613560, 1314041, 2628082, 3942123, 5256164, 6570205, 7884246, 10512328, 13140410, 15768492, 19710615, 26280820, 31536984, 39421230, 52561640, 78842460, 157684920]

約数ペア:

[(1, 157684920), (2, 78842460), (3, 52561640), (4, 39421230), (5, 31536984), (6, 26280820), (8, 19710615), (10, 15768492), (12, 13140410), (15, 10512328), (20, 7884246), (24, 6570205), (30, 5256164), (40, 3942123), (60, 2628082), (120, 1314041), (257, 613560), (514, 306780), (771, 204520), (1028, 153390), (1285, 122712), (1542, 102260), (2056, 76695), (2570, 61356), (3084, 51130), (3855, 40904), (5113, 30840), (5140, 30678), (6168, 25565), (7710, 20452), (10226, 15420), (10280, 15339)]