85820220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8081}}^1$

素因数の和:8155

約数の個数: 72

約数和(自身を含む): 264766320

約数和(自身を除く): 178946100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 8081, 10620, 16162, 24243, 32324, 40405, 48486, 72729, 80810, 96972, 121215, 145458, 161620, 242430, 290916, 363645, 476779, 484860, 727290, 953558, 1430337, 1454580, 1907116, 2383895, 2860674, 4291011, 4767790, 5721348, 7151685, 8582022, 9535580, 14303370, 17164044, 21455055, 28606740, 42910110, 85820220]

約数ペア:

[(1, 85820220), (2, 42910110), (3, 28606740), (4, 21455055), (5, 17164044), (6, 14303370), (9, 9535580), (10, 8582022), (12, 7151685), (15, 5721348), (18, 4767790), (20, 4291011), (30, 2860674), (36, 2383895), (45, 1907116), (59, 1454580), (60, 1430337), (90, 953558), (118, 727290), (177, 484860), (180, 476779), (236, 363645), (295, 290916), (354, 242430), (531, 161620), (590, 145458), (708, 121215), (885, 96972), (1062, 80810), (1180, 72729), (1770, 48486), (2124, 40405), (2655, 32324), (3540, 24243), (5310, 16162), (8081, 10620)]