28758780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2803}}^1$

素因数の和:2840

約数の個数: 96

約数和(自身を含む): 94214400

約数和(自身を除く): 65455620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 2803, 3420, 5130, 5606, 8409, 10260, 11212, 14015, 16818, 25227, 28030, 33636, 42045, 50454, 53257, 56060, 75681, 84090, 100908, 106514, 126135, 151362, 159771, 168180, 213028, 252270, 266285, 302724, 319542, 378405, 479313, 504540, 532570, 639084, 756810, 798855, 958626, 1065140, 1437939, 1513620, 1597710, 1917252, 2396565, 2875878, 3195420, 4793130, 5751756, 7189695, 9586260, 14379390, 28758780]

約数ペア:

[(1, 28758780), (2, 14379390), (3, 9586260), (4, 7189695), (5, 5751756), (6, 4793130), (9, 3195420), (10, 2875878), (12, 2396565), (15, 1917252), (18, 1597710), (19, 1513620), (20, 1437939), (27, 1065140), (30, 958626), (36, 798855), (38, 756810), (45, 639084), (54, 532570), (57, 504540), (60, 479313), (76, 378405), (90, 319542), (95, 302724), (108, 266285), (114, 252270), (135, 213028), (171, 168180), (180, 159771), (190, 151362), (228, 126135), (270, 106514), (285, 100908), (342, 84090), (380, 75681), (513, 56060), (540, 53257), (570, 50454), (684, 42045), (855, 33636), (1026, 28030), (1140, 25227), (1710, 16818), (2052, 14015), (2565, 11212), (2803, 10260), (3420, 8409), (5130, 5606)]