28253760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1588

約数の個数: 112

約数和(自身を含む): 94488000

約数和(自身を除く): 66234240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1549, 1824, 2280, 3040, 3098, 3648, 4560, 4647, 6080, 6196, 7745, 9120, 9294, 12392, 15490, 18240, 18588, 23235, 24784, 29431, 30980, 37176, 46470, 49568, 58862, 61960, 74352, 88293, 92940, 99136, 117724, 123920, 147155, 148704, 176586, 185880, 235448, 247840, 294310, 297408, 353172, 371760, 441465, 470896, 495680, 588620, 706344, 743520, 882930, 941792, 1177240, 1412688, 1487040, 1765860, 1883584, 2354480, 2825376, 3531720, 4708960, 5650752, 7063440, 9417920, 14126880, 28253760]

約数ペア:

[(1, 28253760), (2, 14126880), (3, 9417920), (4, 7063440), (5, 5650752), (6, 4708960), (8, 3531720), (10, 2825376), (12, 2354480), (15, 1883584), (16, 1765860), (19, 1487040), (20, 1412688), (24, 1177240), (30, 941792), (32, 882930), (38, 743520), (40, 706344), (48, 588620), (57, 495680), (60, 470896), (64, 441465), (76, 371760), (80, 353172), (95, 297408), (96, 294310), (114, 247840), (120, 235448), (152, 185880), (160, 176586), (190, 148704), (192, 147155), (228, 123920), (240, 117724), (285, 99136), (304, 92940), (320, 88293), (380, 74352), (456, 61960), (480, 58862), (570, 49568), (608, 46470), (760, 37176), (912, 30980), (960, 29431), (1140, 24784), (1216, 23235), (1520, 18588), (1549, 18240), (1824, 15490), (2280, 12392), (3040, 9294), (3098, 9120), (3648, 7745), (4560, 6196), (4647, 6080)]