131569020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{66449}}^1$

素因数の和:66475

約数の個数: 72

約数和(自身を含む): 435380400

約数和(自身を除く): 303811380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 66449, 132898, 199347, 265796, 332245, 398694, 598041, 664490, 730939, 797388, 996735, 1196082, 1328980, 1461878, 1993470, 2192817, 2392164, 2923756, 2990205, 3654695, 3986940, 4385634, 5980410, 6578451, 7309390, 8771268, 10964085, 11960820, 13156902, 14618780, 21928170, 26313804, 32892255, 43856340, 65784510, 131569020]

約数ペア:

[(1, 131569020), (2, 65784510), (3, 43856340), (4, 32892255), (5, 26313804), (6, 21928170), (9, 14618780), (10, 13156902), (11, 11960820), (12, 10964085), (15, 8771268), (18, 7309390), (20, 6578451), (22, 5980410), (30, 4385634), (33, 3986940), (36, 3654695), (44, 2990205), (45, 2923756), (55, 2392164), (60, 2192817), (66, 1993470), (90, 1461878), (99, 1328980), (110, 1196082), (132, 996735), (165, 797388), (180, 730939), (198, 664490), (220, 598041), (330, 398694), (396, 332245), (495, 265796), (660, 199347), (990, 132898), (1980, 66449)]