81022050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:868

約数の個数: 72

約数和(自身を含む): 218708100

約数和(自身を除く): 137686050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 401, 449, 450, 802, 898, 1203, 1347, 2005, 2245, 2406, 2694, 3609, 4010, 4041, 4490, 6015, 6735, 7218, 8082, 10025, 11225, 12030, 13470, 18045, 20050, 20205, 22450, 30075, 33675, 36090, 40410, 60150, 67350, 90225, 101025, 180049, 180450, 202050, 360098, 540147, 900245, 1080294, 1620441, 1800490, 2700735, 3240882, 4501225, 5401470, 8102205, 9002450, 13503675, 16204410, 27007350, 40511025, 81022050]

約数ペア:

[(1, 81022050), (2, 40511025), (3, 27007350), (5, 16204410), (6, 13503675), (9, 9002450), (10, 8102205), (15, 5401470), (18, 4501225), (25, 3240882), (30, 2700735), (45, 1800490), (50, 1620441), (75, 1080294), (90, 900245), (150, 540147), (225, 360098), (401, 202050), (449, 180450), (450, 180049), (802, 101025), (898, 90225), (1203, 67350), (1347, 60150), (2005, 40410), (2245, 36090), (2406, 33675), (2694, 30075), (3609, 22450), (4010, 20205), (4041, 20050), (4490, 18045), (6015, 13470), (6735, 12030), (7218, 11225), (8082, 10025)]