81408870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12391}}^1$

素因数の和:12477

約数の個数: 48

約数和(自身を含む): 214579872

約数和(自身を除く): 133171002

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 3285, 6570, 12391, 24782, 37173, 61955, 74346, 111519, 123910, 185865, 223038, 371730, 557595, 904543, 1115190, 1809086, 2713629, 4522715, 5427258, 8140887, 9045430, 13568145, 16281774, 27136290, 40704435, 81408870]

約数ペア:

[(1, 81408870), (2, 40704435), (3, 27136290), (5, 16281774), (6, 13568145), (9, 9045430), (10, 8140887), (15, 5427258), (18, 4522715), (30, 2713629), (45, 1809086), (73, 1115190), (90, 904543), (146, 557595), (219, 371730), (365, 223038), (438, 185865), (657, 123910), (730, 111519), (1095, 74346), (1314, 61955), (2190, 37173), (3285, 24782), (6570, 12391)]