77181660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{15881}}^1$

素因数の和:15905

約数の個数: 72

約数和(自身を含む): 242804016

約数和(自身を除く): 165622356

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, 2430, 4860, 15881, 31762, 47643, 63524, 79405, 95286, 142929, 158810, 190572, 238215, 285858, 317620, 428787, 476430, 571716, 714645, 857574, 952860, 1286361, 1429290, 1715148, 2143935, 2572722, 2858580, 3859083, 4287870, 5145444, 6431805, 7718166, 8575740, 12863610, 15436332, 19295415, 25727220, 38590830, 77181660]

約数ペア:

[(1, 77181660), (2, 38590830), (3, 25727220), (4, 19295415), (5, 15436332), (6, 12863610), (9, 8575740), (10, 7718166), (12, 6431805), (15, 5145444), (18, 4287870), (20, 3859083), (27, 2858580), (30, 2572722), (36, 2143935), (45, 1715148), (54, 1429290), (60, 1286361), (81, 952860), (90, 857574), (108, 714645), (135, 571716), (162, 476430), (180, 428787), (243, 317620), (270, 285858), (324, 238215), (405, 190572), (486, 158810), (540, 142929), (810, 95286), (972, 79405), (1215, 63524), (1620, 47643), (2430, 31762), (4860, 15881)]