28644120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:585

約数の個数: 96

約数和(自身を含む): 93759120

約数和(自身を除く): 65115000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 251, 317, 360, 502, 634, 753, 951, 1004, 1255, 1268, 1506, 1585, 1902, 2008, 2259, 2510, 2536, 2853, 3012, 3170, 3765, 3804, 4518, 4755, 5020, 5706, 6024, 6340, 7530, 7608, 9036, 9510, 10040, 11295, 11412, 12680, 14265, 15060, 18072, 19020, 22590, 22824, 28530, 30120, 38040, 45180, 57060, 79567, 90360, 114120, 159134, 238701, 318268, 397835, 477402, 636536, 716103, 795670, 954804, 1193505, 1432206, 1591340, 1909608, 2387010, 2864412, 3182680, 3580515, 4774020, 5728824, 7161030, 9548040, 14322060, 28644120]

約数ペア:

[(1, 28644120), (2, 14322060), (3, 9548040), (4, 7161030), (5, 5728824), (6, 4774020), (8, 3580515), (9, 3182680), (10, 2864412), (12, 2387010), (15, 1909608), (18, 1591340), (20, 1432206), (24, 1193505), (30, 954804), (36, 795670), (40, 716103), (45, 636536), (60, 477402), (72, 397835), (90, 318268), (120, 238701), (180, 159134), (251, 114120), (317, 90360), (360, 79567), (502, 57060), (634, 45180), (753, 38040), (951, 30120), (1004, 28530), (1255, 22824), (1268, 22590), (1506, 19020), (1585, 18072), (1902, 15060), (2008, 14265), (2259, 12680), (2510, 11412), (2536, 11295), (2853, 10040), (3012, 9510), (3170, 9036), (3765, 7608), (3804, 7530), (4518, 6340), (4755, 6024), (5020, 5706)]