8490420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{1747}}^1$

素因数の和:1771

約数の個数: 72

約数和(自身を含む): 26723424

約数和(自身を除く): 18233004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 1747, 2430, 3494, 4860, 5241, 6988, 8735, 10482, 15723, 17470, 20964, 26205, 31446, 34940, 47169, 52410, 62892, 78615, 94338, 104820, 141507, 157230, 188676, 235845, 283014, 314460, 424521, 471690, 566028, 707535, 849042, 943380, 1415070, 1698084, 2122605, 2830140, 4245210, 8490420]

約数ペア:

[(1, 8490420), (2, 4245210), (3, 2830140), (4, 2122605), (5, 1698084), (6, 1415070), (9, 943380), (10, 849042), (12, 707535), (15, 566028), (18, 471690), (20, 424521), (27, 314460), (30, 283014), (36, 235845), (45, 188676), (54, 157230), (60, 141507), (81, 104820), (90, 94338), (108, 78615), (135, 62892), (162, 52410), (180, 47169), (243, 34940), (270, 31446), (324, 26205), (405, 20964), (486, 17470), (540, 15723), (810, 10482), (972, 8735), (1215, 6988), (1620, 5241), (1747, 4860), (2430, 3494)]