81558720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28319}}^1$

素因数の和:28342

約数の個数: 84

約数和(自身を含む): 280537920

約数和(自身を除く): 198979200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 28319, 56638, 84957, 113276, 141595, 169914, 226552, 254871, 283190, 339828, 424785, 453104, 509742, 566380, 679656, 849570, 906208, 1019484, 1132760, 1274355, 1359312, 1699140, 1812416, 2038968, 2265520, 2548710, 2718624, 3398280, 4077936, 4531040, 5097420, 5437248, 6796560, 8155872, 9062080, 10194840, 13593120, 16311744, 20389680, 27186240, 40779360, 81558720]

約数ペア:

[(1, 81558720), (2, 40779360), (3, 27186240), (4, 20389680), (5, 16311744), (6, 13593120), (8, 10194840), (9, 9062080), (10, 8155872), (12, 6796560), (15, 5437248), (16, 5097420), (18, 4531040), (20, 4077936), (24, 3398280), (30, 2718624), (32, 2548710), (36, 2265520), (40, 2038968), (45, 1812416), (48, 1699140), (60, 1359312), (64, 1274355), (72, 1132760), (80, 1019484), (90, 906208), (96, 849570), (120, 679656), (144, 566380), (160, 509742), (180, 453104), (192, 424785), (240, 339828), (288, 283190), (320, 254871), (360, 226552), (480, 169914), (576, 141595), (720, 113276), (960, 84957), (1440, 56638), (2880, 28319)]