16450280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 47520000

約数和(自身を除く): 31069720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 109, 110, 140, 154, 196, 218, 220, 245, 280, 308, 343, 385, 392, 436, 440, 490, 539, 545, 616, 686, 763, 770, 872, 980, 1078, 1090, 1199, 1372, 1526, 1540, 1715, 1960, 2156, 2180, 2398, 2695, 2744, 3052, 3080, 3430, 3773, 3815, 4312, 4360, 4796, 5341, 5390, 5995, 6104, 6860, 7546, 7630, 8393, 9592, 10682, 10780, 11990, 13720, 15092, 15260, 16786, 18865, 21364, 21560, 23980, 26705, 30184, 30520, 33572, 37387, 37730, 41965, 42728, 47960, 53410, 58751, 67144, 74774, 75460, 83930, 106820, 117502, 149548, 150920, 167860, 186935, 213640, 235004, 293755, 299096, 335720, 373870, 411257, 470008, 587510, 747740, 822514, 1175020, 1495480, 1645028, 2056285, 2350040, 3290056, 4112570, 8225140, 16450280]

約数ペア:

[(1, 16450280), (2, 8225140), (4, 4112570), (5, 3290056), (7, 2350040), (8, 2056285), (10, 1645028), (11, 1495480), (14, 1175020), (20, 822514), (22, 747740), (28, 587510), (35, 470008), (40, 411257), (44, 373870), (49, 335720), (55, 299096), (56, 293755), (70, 235004), (77, 213640), (88, 186935), (98, 167860), (109, 150920), (110, 149548), (140, 117502), (154, 106820), (196, 83930), (218, 75460), (220, 74774), (245, 67144), (280, 58751), (308, 53410), (343, 47960), (385, 42728), (392, 41965), (436, 37730), (440, 37387), (490, 33572), (539, 30520), (545, 30184), (616, 26705), (686, 23980), (763, 21560), (770, 21364), (872, 18865), (980, 16786), (1078, 15260), (1090, 15092), (1199, 13720), (1372, 11990), (1526, 10780), (1540, 10682), (1715, 9592), (1960, 8393), (2156, 7630), (2180, 7546), (2398, 6860), (2695, 6104), (2744, 5995), (3052, 5390), (3080, 5341), (3430, 4796), (3773, 4360), (3815, 4312)]