28510720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 160

約数和(自身を含む): 82101888

約数和(自身を除く): 53591168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 43, 56, 64, 70, 74, 80, 86, 112, 128, 140, 148, 160, 172, 185, 215, 224, 256, 259, 280, 296, 301, 320, 344, 370, 430, 448, 512, 518, 560, 592, 602, 640, 688, 740, 860, 896, 1036, 1120, 1184, 1204, 1280, 1295, 1376, 1480, 1505, 1591, 1720, 1792, 2072, 2240, 2368, 2408, 2560, 2590, 2752, 2960, 3010, 3182, 3440, 3584, 4144, 4480, 4736, 4816, 5180, 5504, 5920, 6020, 6364, 6880, 7955, 8288, 8960, 9472, 9632, 10360, 11008, 11137, 11840, 12040, 12728, 13760, 15910, 16576, 17920, 18944, 19264, 20720, 22016, 22274, 23680, 24080, 25456, 27520, 31820, 33152, 38528, 41440, 44548, 47360, 48160, 50912, 55040, 55685, 63640, 66304, 77056, 82880, 89096, 94720, 96320, 101824, 110080, 111370, 127280, 132608, 154112, 165760, 178192, 192640, 203648, 222740, 254560, 331520, 356384, 385280, 407296, 445480, 509120, 663040, 712768, 770560, 814592, 890960, 1018240, 1425536, 1781920, 2036480, 2851072, 3563840, 4072960, 5702144, 7127680, 14255360, 28510720]

約数ペア:

[(1, 28510720), (2, 14255360), (4, 7127680), (5, 5702144), (7, 4072960), (8, 3563840), (10, 2851072), (14, 2036480), (16, 1781920), (20, 1425536), (28, 1018240), (32, 890960), (35, 814592), (37, 770560), (40, 712768), (43, 663040), (56, 509120), (64, 445480), (70, 407296), (74, 385280), (80, 356384), (86, 331520), (112, 254560), (128, 222740), (140, 203648), (148, 192640), (160, 178192), (172, 165760), (185, 154112), (215, 132608), (224, 127280), (256, 111370), (259, 110080), (280, 101824), (296, 96320), (301, 94720), (320, 89096), (344, 82880), (370, 77056), (430, 66304), (448, 63640), (512, 55685), (518, 55040), (560, 50912), (592, 48160), (602, 47360), (640, 44548), (688, 41440), (740, 38528), (860, 33152), (896, 31820), (1036, 27520), (1120, 25456), (1184, 24080), (1204, 23680), (1280, 22274), (1295, 22016), (1376, 20720), (1480, 19264), (1505, 18944), (1591, 17920), (1720, 16576), (1792, 15910), (2072, 13760), (2240, 12728), (2368, 12040), (2408, 11840), (2560, 11137), (2590, 11008), (2752, 10360), (2960, 9632), (3010, 9472), (3182, 8960), (3440, 8288), (3584, 7955), (4144, 6880), (4480, 6364), (4736, 6020), (4816, 5920), (5180, 5504)]