205419780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1931}}^1$

素因数の和:2146

約数の個数: 96

約数和(自身を含む): 642660480

約数和(自身を除く): 437240700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 197, 270, 394, 540, 591, 788, 985, 1182, 1773, 1931, 1970, 2364, 2955, 3546, 3862, 3940, 5319, 5793, 5910, 7092, 7724, 8865, 9655, 10638, 11586, 11820, 17379, 17730, 19310, 21276, 23172, 26595, 28965, 34758, 35460, 38620, 52137, 53190, 57930, 69516, 86895, 104274, 106380, 115860, 173790, 208548, 260685, 347580, 380407, 521370, 760814, 1042740, 1141221, 1521628, 1902035, 2282442, 3423663, 3804070, 4564884, 5706105, 6847326, 7608140, 10270989, 11412210, 13694652, 17118315, 20541978, 22824420, 34236630, 41083956, 51354945, 68473260, 102709890, 205419780]

約数ペア:

[(1, 205419780), (2, 102709890), (3, 68473260), (4, 51354945), (5, 41083956), (6, 34236630), (9, 22824420), (10, 20541978), (12, 17118315), (15, 13694652), (18, 11412210), (20, 10270989), (27, 7608140), (30, 6847326), (36, 5706105), (45, 4564884), (54, 3804070), (60, 3423663), (90, 2282442), (108, 1902035), (135, 1521628), (180, 1141221), (197, 1042740), (270, 760814), (394, 521370), (540, 380407), (591, 347580), (788, 260685), (985, 208548), (1182, 173790), (1773, 115860), (1931, 106380), (1970, 104274), (2364, 86895), (2955, 69516), (3546, 57930), (3862, 53190), (3940, 52137), (5319, 38620), (5793, 35460), (5910, 34758), (7092, 28965), (7724, 26595), (8865, 23172), (9655, 21276), (10638, 19310), (11586, 17730), (11820, 17379)]