129392820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1601}}^1$

素因数の和:2065

約数の個数: 72

約数和(自身を含む): 393611400

約数和(自身を除く): 264218580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1601, 1796, 2245, 2694, 3202, 4041, 4490, 4803, 5388, 6404, 6735, 8005, 8082, 8980, 9606, 13470, 14409, 16010, 16164, 19212, 20205, 24015, 26940, 28818, 32020, 40410, 48030, 57636, 72045, 80820, 96060, 144090, 288180, 718849, 1437698, 2156547, 2875396, 3594245, 4313094, 6469641, 7188490, 8626188, 10782735, 12939282, 14376980, 21565470, 25878564, 32348205, 43130940, 64696410, 129392820]

約数ペア:

[(1, 129392820), (2, 64696410), (3, 43130940), (4, 32348205), (5, 25878564), (6, 21565470), (9, 14376980), (10, 12939282), (12, 10782735), (15, 8626188), (18, 7188490), (20, 6469641), (30, 4313094), (36, 3594245), (45, 2875396), (60, 2156547), (90, 1437698), (180, 718849), (449, 288180), (898, 144090), (1347, 96060), (1601, 80820), (1796, 72045), (2245, 57636), (2694, 48030), (3202, 40410), (4041, 32020), (4490, 28818), (4803, 26940), (5388, 24015), (6404, 20205), (6735, 19212), (8005, 16164), (8082, 16010), (8980, 14409), (9606, 13470)]