79401960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20051}}^1$

素因数の和:20079

約数の個数: 96

約数和(自身を含む): 281530080

約数和(自身を除く): 202128120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 20051, 40102, 60153, 80204, 100255, 120306, 160408, 180459, 200510, 220561, 240612, 300765, 360918, 401020, 441122, 481224, 601530, 661683, 721836, 802040, 882244, 902295, 1102805, 1203060, 1323366, 1443672, 1764488, 1804590, 1985049, 2205610, 2406120, 2646732, 3308415, 3609180, 3970098, 4411220, 5293464, 6616830, 7218360, 7940196, 8822440, 9925245, 13233660, 15880392, 19850490, 26467320, 39700980, 79401960]

約数ペア:

[(1, 79401960), (2, 39700980), (3, 26467320), (4, 19850490), (5, 15880392), (6, 13233660), (8, 9925245), (9, 8822440), (10, 7940196), (11, 7218360), (12, 6616830), (15, 5293464), (18, 4411220), (20, 3970098), (22, 3609180), (24, 3308415), (30, 2646732), (33, 2406120), (36, 2205610), (40, 1985049), (44, 1804590), (45, 1764488), (55, 1443672), (60, 1323366), (66, 1203060), (72, 1102805), (88, 902295), (90, 882244), (99, 802040), (110, 721836), (120, 661683), (132, 601530), (165, 481224), (180, 441122), (198, 401020), (220, 360918), (264, 300765), (330, 240612), (360, 220561), (396, 200510), (440, 180459), (495, 160408), (660, 120306), (792, 100255), (990, 80204), (1320, 60153), (1980, 40102), (3960, 20051)]