18521520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{337}}^1$

素因数の和:582

約数の個数: 80

約数和(自身を含む): 57838560

約数和(自身を除く): 39317040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 229, 240, 337, 458, 674, 687, 916, 1011, 1145, 1348, 1374, 1685, 1832, 2022, 2290, 2696, 2748, 3370, 3435, 3664, 4044, 4580, 5055, 5392, 5496, 6740, 6870, 8088, 9160, 10110, 10992, 13480, 13740, 16176, 18320, 20220, 26960, 27480, 40440, 54960, 77173, 80880, 154346, 231519, 308692, 385865, 463038, 617384, 771730, 926076, 1157595, 1234768, 1543460, 1852152, 2315190, 3086920, 3704304, 4630380, 6173840, 9260760, 18521520]

約数ペア:

[(1, 18521520), (2, 9260760), (3, 6173840), (4, 4630380), (5, 3704304), (6, 3086920), (8, 2315190), (10, 1852152), (12, 1543460), (15, 1234768), (16, 1157595), (20, 926076), (24, 771730), (30, 617384), (40, 463038), (48, 385865), (60, 308692), (80, 231519), (120, 154346), (229, 80880), (240, 77173), (337, 54960), (458, 40440), (674, 27480), (687, 26960), (916, 20220), (1011, 18320), (1145, 16176), (1348, 13740), (1374, 13480), (1685, 10992), (1832, 10110), (2022, 9160), (2290, 8088), (2696, 6870), (2748, 6740), (3370, 5496), (3435, 5392), (3664, 5055), (4044, 4580)]