28407240

素因数分解:

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

素因数の和:956

約数の個数: 128

約数和(自身を含む): 98064000

約数和(自身を除く): 69656760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 907, 1044, 1080, 1160, 1305, 1566, 1740, 1814, 2088, 2610, 2721, 3132, 3480, 3628, 3915, 4535, 5220, 5442, 6264, 7256, 7830, 8163, 9070, 10440, 10884, 13605, 15660, 16326, 18140, 21768, 24489, 26303, 27210, 31320, 32652, 36280, 40815, 48978, 52606, 54420, 65304, 78909, 81630, 97956, 105212, 108840, 122445, 131515, 157818, 163260, 195912, 210424, 236727, 244890, 263030, 315636, 326520, 394545, 473454, 489780, 526060, 631272, 710181, 789090, 946908, 979560, 1052120, 1183635, 1420362, 1578180, 1893816, 2367270, 2840724, 3156360, 3550905, 4734540, 5681448, 7101810, 9469080, 14203620, 28407240]

約数ペア:

[(1, 28407240), (2, 14203620), (3, 9469080), (4, 7101810), (5, 5681448), (6, 4734540), (8, 3550905), (9, 3156360), (10, 2840724), (12, 2367270), (15, 1893816), (18, 1578180), (20, 1420362), (24, 1183635), (27, 1052120), (29, 979560), (30, 946908), (36, 789090), (40, 710181), (45, 631272), (54, 526060), (58, 489780), (60, 473454), (72, 394545), (87, 326520), (90, 315636), (108, 263030), (116, 244890), (120, 236727), (135, 210424), (145, 195912), (174, 163260), (180, 157818), (216, 131515), (232, 122445), (261, 108840), (270, 105212), (290, 97956), (348, 81630), (360, 78909), (435, 65304), (522, 54420), (540, 52606), (580, 48978), (696, 40815), (783, 36280), (870, 32652), (907, 31320), (1044, 27210), (1080, 26303), (1160, 24489), (1305, 21768), (1566, 18140), (1740, 16326), (1814, 15660), (2088, 13605), (2610, 10884), (2721, 10440), (3132, 9070), (3480, 8163), (3628, 7830), (3915, 7256), (4535, 6264), (5220, 5442)]