81029960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3019}}^1$

素因数の和:3102

約数の個数: 64

約数和(自身を含む): 202219200

約数和(自身を除く): 121189240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3019, 3355, 5368, 6038, 6710, 12076, 13420, 15095, 24152, 26840, 30190, 33209, 60380, 66418, 120760, 132836, 166045, 184159, 265672, 332090, 368318, 664180, 736636, 920795, 1328360, 1473272, 1841590, 2025749, 3683180, 4051498, 7366360, 8102996, 10128745, 16205992, 20257490, 40514980, 81029960]

約数ペア:

[(1, 81029960), (2, 40514980), (4, 20257490), (5, 16205992), (8, 10128745), (10, 8102996), (11, 7366360), (20, 4051498), (22, 3683180), (40, 2025749), (44, 1841590), (55, 1473272), (61, 1328360), (88, 920795), (110, 736636), (122, 664180), (220, 368318), (244, 332090), (305, 265672), (440, 184159), (488, 166045), (610, 132836), (671, 120760), (1220, 66418), (1342, 60380), (2440, 33209), (2684, 30190), (3019, 26840), (3355, 24152), (5368, 15095), (6038, 13420), (6710, 12076)]