163983780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2029}}^1$

素因数の和:2493

約数の個数: 72

約数和(自身を含む): 498771000

約数和(自身を除く): 334787220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2029, 2245, 2694, 4041, 4058, 4490, 5388, 6087, 6735, 8082, 8116, 8980, 10145, 12174, 13470, 16164, 18261, 20205, 20290, 24348, 26940, 30435, 36522, 40410, 40580, 60870, 73044, 80820, 91305, 121740, 182610, 365220, 911021, 1822042, 2733063, 3644084, 4555105, 5466126, 8199189, 9110210, 10932252, 13665315, 16398378, 18220420, 27330630, 32796756, 40995945, 54661260, 81991890, 163983780]

約数ペア:

[(1, 163983780), (2, 81991890), (3, 54661260), (4, 40995945), (5, 32796756), (6, 27330630), (9, 18220420), (10, 16398378), (12, 13665315), (15, 10932252), (18, 9110210), (20, 8199189), (30, 5466126), (36, 4555105), (45, 3644084), (60, 2733063), (90, 1822042), (180, 911021), (449, 365220), (898, 182610), (1347, 121740), (1796, 91305), (2029, 80820), (2245, 73044), (2694, 60870), (4041, 40580), (4058, 40410), (4490, 36522), (5388, 30435), (6087, 26940), (6735, 24348), (8082, 20290), (8116, 20205), (8980, 18261), (10145, 16164), (12174, 13470)]