28006440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{433}}^1$

素因数の和:472

約数の個数: 192

約数和(自身を含む): 106868160

約数和(自身を除く): 78861720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 308, 330, 385, 392, 420, 433, 440, 462, 490, 539, 588, 616, 660, 735, 770, 840, 866, 924, 980, 1078, 1155, 1176, 1299, 1320, 1470, 1540, 1617, 1732, 1848, 1960, 2156, 2165, 2310, 2598, 2695, 2940, 3031, 3080, 3234, 3464, 4312, 4330, 4620, 4763, 5196, 5390, 5880, 6062, 6468, 6495, 8085, 8660, 9093, 9240, 9526, 10392, 10780, 12124, 12936, 12990, 14289, 15155, 16170, 17320, 18186, 19052, 21217, 21560, 23815, 24248, 25980, 28578, 30310, 32340, 33341, 36372, 38104, 42434, 45465, 47630, 51960, 57156, 60620, 63651, 64680, 66682, 71445, 72744, 84868, 90930, 95260, 100023, 106085, 114312, 121240, 127302, 133364, 142890, 166705, 169736, 181860, 190520, 200046, 212170, 233387, 254604, 266728, 285780, 318255, 333410, 363720, 400092, 424340, 466774, 500115, 509208, 571560, 636510, 666820, 700161, 800184, 848680, 933548, 1000230, 1166935, 1273020, 1333640, 1400322, 1867096, 2000460, 2333870, 2546040, 2800644, 3500805, 4000920, 4667740, 5601288, 7001610, 9335480, 14003220, 28006440]

約数ペア:

[(1, 28006440), (2, 14003220), (3, 9335480), (4, 7001610), (5, 5601288), (6, 4667740), (7, 4000920), (8, 3500805), (10, 2800644), (11, 2546040), (12, 2333870), (14, 2000460), (15, 1867096), (20, 1400322), (21, 1333640), (22, 1273020), (24, 1166935), (28, 1000230), (30, 933548), (33, 848680), (35, 800184), (40, 700161), (42, 666820), (44, 636510), (49, 571560), (55, 509208), (56, 500115), (60, 466774), (66, 424340), (70, 400092), (77, 363720), (84, 333410), (88, 318255), (98, 285780), (105, 266728), (110, 254604), (120, 233387), (132, 212170), (140, 200046), (147, 190520), (154, 181860), (165, 169736), (168, 166705), (196, 142890), (210, 133364), (220, 127302), (231, 121240), (245, 114312), (264, 106085), (280, 100023), (294, 95260), (308, 90930), (330, 84868), (385, 72744), (392, 71445), (420, 66682), (433, 64680), (440, 63651), (462, 60620), (490, 57156), (539, 51960), (588, 47630), (616, 45465), (660, 42434), (735, 38104), (770, 36372), (840, 33341), (866, 32340), (924, 30310), (980, 28578), (1078, 25980), (1155, 24248), (1176, 23815), (1299, 21560), (1320, 21217), (1470, 19052), (1540, 18186), (1617, 17320), (1732, 16170), (1848, 15155), (1960, 14289), (2156, 12990), (2165, 12936), (2310, 12124), (2598, 10780), (2695, 10392), (2940, 9526), (3031, 9240), (3080, 9093), (3234, 8660), (3464, 8085), (4312, 6495), (4330, 6468), (4620, 6062), (4763, 5880), (5196, 5390)]