201521340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1153}}^1$

素因数の和:2139

約数の個数: 72

約数和(自身を含む): 612441648

約数和(自身を除く): 410920308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 971, 1153, 1942, 2306, 2913, 3459, 3884, 4612, 4855, 5765, 5826, 6918, 8739, 9710, 10377, 11530, 11652, 13836, 14565, 17295, 17478, 19420, 20754, 23060, 29130, 34590, 34956, 41508, 43695, 51885, 58260, 69180, 87390, 103770, 174780, 207540, 1119563, 2239126, 3358689, 4478252, 5597815, 6717378, 10076067, 11195630, 13434756, 16793445, 20152134, 22391260, 33586890, 40304268, 50380335, 67173780, 100760670, 201521340]

約数ペア:

[(1, 201521340), (2, 100760670), (3, 67173780), (4, 50380335), (5, 40304268), (6, 33586890), (9, 22391260), (10, 20152134), (12, 16793445), (15, 13434756), (18, 11195630), (20, 10076067), (30, 6717378), (36, 5597815), (45, 4478252), (60, 3358689), (90, 2239126), (180, 1119563), (971, 207540), (1153, 174780), (1942, 103770), (2306, 87390), (2913, 69180), (3459, 58260), (3884, 51885), (4612, 43695), (4855, 41508), (5765, 34956), (5826, 34590), (6918, 29130), (8739, 23060), (9710, 20754), (10377, 19420), (11530, 17478), (11652, 17295), (13836, 14565)]