28128060

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 89646480

約数和(自身を除く): 61518420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 97, 108, 135, 162, 179, 180, 194, 270, 291, 324, 358, 388, 405, 485, 537, 540, 582, 716, 810, 873, 895, 970, 1074, 1164, 1455, 1611, 1620, 1746, 1790, 1940, 2148, 2619, 2685, 2910, 3222, 3492, 3580, 4365, 4833, 5238, 5370, 5820, 6444, 7857, 8055, 8730, 9666, 10476, 10740, 13095, 14499, 15714, 16110, 17363, 17460, 19332, 24165, 26190, 28998, 31428, 32220, 34726, 39285, 48330, 52089, 52380, 57996, 69452, 72495, 78570, 86815, 96660, 104178, 144990, 156267, 157140, 173630, 208356, 260445, 289980, 312534, 347260, 468801, 520890, 625068, 781335, 937602, 1041780, 1406403, 1562670, 1875204, 2344005, 2812806, 3125340, 4688010, 5625612, 7032015, 9376020, 14064030, 28128060]

約数ペア:

[(1, 28128060), (2, 14064030), (3, 9376020), (4, 7032015), (5, 5625612), (6, 4688010), (9, 3125340), (10, 2812806), (12, 2344005), (15, 1875204), (18, 1562670), (20, 1406403), (27, 1041780), (30, 937602), (36, 781335), (45, 625068), (54, 520890), (60, 468801), (81, 347260), (90, 312534), (97, 289980), (108, 260445), (135, 208356), (162, 173630), (179, 157140), (180, 156267), (194, 144990), (270, 104178), (291, 96660), (324, 86815), (358, 78570), (388, 72495), (405, 69452), (485, 57996), (537, 52380), (540, 52089), (582, 48330), (716, 39285), (810, 34726), (873, 32220), (895, 31428), (970, 28998), (1074, 26190), (1164, 24165), (1455, 19332), (1611, 17460), (1620, 17363), (1746, 16110), (1790, 15714), (1940, 14499), (2148, 13095), (2619, 10740), (2685, 10476), (2910, 9666), (3222, 8730), (3492, 8055), (3580, 7857), (4365, 6444), (4833, 5820), (5238, 5370)]