81841140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{454673}}^1$

素因数の和:454688

約数の個数: 36

約数和(自身を含む): 248252004

約数和(自身を除く): 166410864

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 454673, 909346, 1364019, 1818692, 2273365, 2728038, 4092057, 4546730, 5456076, 6820095, 8184114, 9093460, 13640190, 16368228, 20460285, 27280380, 40920570, 81841140]

約数ペア:

[(1, 81841140), (2, 40920570), (3, 27280380), (4, 20460285), (5, 16368228), (6, 13640190), (9, 9093460), (10, 8184114), (12, 6820095), (15, 5456076), (18, 4546730), (20, 4092057), (30, 2728038), (36, 2273365), (45, 1818692), (60, 1364019), (90, 909346), (180, 454673)]