81053910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{128657}}^1$

素因数の和:128677

約数の個数: 48

約数和(自身を含む): 240847776

約数和(自身を除く): 159793866

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 128657, 257314, 385971, 643285, 771942, 900599, 1157913, 1286570, 1801198, 1929855, 2315826, 2701797, 3859710, 4502995, 5403594, 5789565, 8105391, 9005990, 11579130, 13508985, 16210782, 27017970, 40526955, 81053910]

約数ペア:

[(1, 81053910), (2, 40526955), (3, 27017970), (5, 16210782), (6, 13508985), (7, 11579130), (9, 9005990), (10, 8105391), (14, 5789565), (15, 5403594), (18, 4502995), (21, 3859710), (30, 2701797), (35, 2315826), (42, 1929855), (45, 1801198), (63, 1286570), (70, 1157913), (90, 900599), (105, 771942), (126, 643285), (210, 385971), (315, 257314), (630, 128657)]