81212760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2593}}^1$

素因数の和:2642

約数の個数: 128

約数和(自身を含む): 280152000

約数和(自身を除く): 198939240

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, 1044, 1080, 1160, 1305, 1566, 1740, 2088, 2593, 2610, 3132, 3480, 3915, 5186, 5220, 6264, 7779, 7830, 10372, 10440, 12965, 15558, 15660, 20744, 23337, 25930, 31116, 31320, 38895, 46674, 51860, 62232, 70011, 75197, 77790, 93348, 103720, 116685, 140022, 150394, 155580, 186696, 225591, 233370, 280044, 300788, 311160, 350055, 375985, 451182, 466740, 560088, 601576, 676773, 700110, 751970, 902364, 933480, 1127955, 1353546, 1400220, 1503940, 1804728, 2030319, 2255910, 2707092, 2800440, 3007880, 3383865, 4060638, 4511820, 5414184, 6767730, 8121276, 9023640, 10151595, 13535460, 16242552, 20303190, 27070920, 40606380, 81212760]

約数ペア:

[(1, 81212760), (2, 40606380), (3, 27070920), (4, 20303190), (5, 16242552), (6, 13535460), (8, 10151595), (9, 9023640), (10, 8121276), (12, 6767730), (15, 5414184), (18, 4511820), (20, 4060638), (24, 3383865), (27, 3007880), (29, 2800440), (30, 2707092), (36, 2255910), (40, 2030319), (45, 1804728), (54, 1503940), (58, 1400220), (60, 1353546), (72, 1127955), (87, 933480), (90, 902364), (108, 751970), (116, 700110), (120, 676773), (135, 601576), (145, 560088), (174, 466740), (180, 451182), (216, 375985), (232, 350055), (261, 311160), (270, 300788), (290, 280044), (348, 233370), (360, 225591), (435, 186696), (522, 155580), (540, 150394), (580, 140022), (696, 116685), (783, 103720), (870, 93348), (1044, 77790), (1080, 75197), (1160, 70011), (1305, 62232), (1566, 51860), (1740, 46674), (2088, 38895), (2593, 31320), (2610, 31116), (3132, 25930), (3480, 23337), (3915, 20744), (5186, 15660), (5220, 15558), (6264, 12965), (7779, 10440), (7830, 10372)]