81079110

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{42899}}^1$

素因数の和:42922

約数の個数: 64

約数和(自身を含む): 247104000

約数和(自身を除く): 166024890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 42899, 85798, 128697, 214495, 257394, 300293, 386091, 428990, 600586, 643485, 772182, 900879, 1158273, 1286970, 1501465, 1801758, 1930455, 2316546, 2702637, 3002930, 3860910, 4504395, 5405274, 5791365, 8107911, 9008790, 11582730, 13513185, 16215822, 27026370, 40539555, 81079110]

約数ペア:

[(1, 81079110), (2, 40539555), (3, 27026370), (5, 16215822), (6, 13513185), (7, 11582730), (9, 9008790), (10, 8107911), (14, 5791365), (15, 5405274), (18, 4504395), (21, 3860910), (27, 3002930), (30, 2702637), (35, 2316546), (42, 1930455), (45, 1801758), (54, 1501465), (63, 1286970), (70, 1158273), (90, 900879), (105, 772182), (126, 643485), (135, 600586), (189, 428990), (210, 386091), (270, 300293), (315, 257394), (378, 214495), (630, 128697), (945, 85798), (1890, 42899)]