80487180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:968

約数の個数: 144

約数和(自身を含む): 267714720

約数和(自身を除く): 187227540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 907, 986, 1020, 1044, 1305, 1479, 1530, 1740, 1814, 1972, 2465, 2610, 2721, 2958, 3060, 3628, 4437, 4535, 4930, 5220, 5442, 5916, 7395, 8163, 8874, 9070, 9860, 10884, 13605, 14790, 15419, 16326, 17748, 18140, 22185, 26303, 27210, 29580, 30838, 32652, 40815, 44370, 46257, 52606, 54420, 61676, 77095, 78909, 81630, 88740, 92514, 105212, 131515, 138771, 154190, 157818, 163260, 185028, 231285, 236727, 263030, 277542, 308380, 315636, 394545, 447151, 462570, 473454, 526060, 555084, 693855, 789090, 894302, 925140, 946908, 1183635, 1341453, 1387710, 1578180, 1788604, 2235755, 2367270, 2682906, 2775420, 4024359, 4471510, 4734540, 5365812, 6707265, 8048718, 8943020, 13414530, 16097436, 20121795, 26829060, 40243590, 80487180]

約数ペア:

[(1, 80487180), (2, 40243590), (3, 26829060), (4, 20121795), (5, 16097436), (6, 13414530), (9, 8943020), (10, 8048718), (12, 6707265), (15, 5365812), (17, 4734540), (18, 4471510), (20, 4024359), (29, 2775420), (30, 2682906), (34, 2367270), (36, 2235755), (45, 1788604), (51, 1578180), (58, 1387710), (60, 1341453), (68, 1183635), (85, 946908), (87, 925140), (90, 894302), (102, 789090), (116, 693855), (145, 555084), (153, 526060), (170, 473454), (174, 462570), (180, 447151), (204, 394545), (255, 315636), (261, 308380), (290, 277542), (306, 263030), (340, 236727), (348, 231285), (435, 185028), (493, 163260), (510, 157818), (522, 154190), (580, 138771), (612, 131515), (765, 105212), (870, 92514), (907, 88740), (986, 81630), (1020, 78909), (1044, 77095), (1305, 61676), (1479, 54420), (1530, 52606), (1740, 46257), (1814, 44370), (1972, 40815), (2465, 32652), (2610, 30838), (2721, 29580), (2958, 27210), (3060, 26303), (3628, 22185), (4437, 18140), (4535, 17748), (4930, 16326), (5220, 15419), (5442, 14790), (5916, 13605), (7395, 10884), (8163, 9860), (8874, 9070)]