1330972720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{499}}^1$

素因数の和:963

約数の個数: 160

約数和(自身を含む): 3874752000

約数和(自身を除く): 2543779280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 433, 440, 499, 560, 616, 770, 866, 880, 998, 1232, 1540, 1732, 1996, 2165, 2495, 3031, 3080, 3464, 3493, 3992, 4330, 4763, 4990, 5489, 6062, 6160, 6928, 6986, 7984, 8660, 9526, 9980, 10978, 12124, 13972, 15155, 17320, 17465, 19052, 19960, 21956, 23815, 24248, 27445, 27944, 30310, 33341, 34640, 34930, 38104, 38423, 39920, 43912, 47630, 48496, 54890, 55888, 60620, 66682, 69860, 76208, 76846, 87824, 95260, 109780, 121240, 133364, 139720, 153692, 166705, 190520, 192115, 216067, 219560, 242480, 266728, 279440, 307384, 333410, 381040, 384230, 432134, 439120, 533456, 614768, 666820, 768460, 864268, 1080335, 1333640, 1512469, 1536920, 1728536, 2160670, 2376737, 2667280, 3024938, 3073840, 3457072, 4321340, 4753474, 6049876, 7562345, 8642680, 9506948, 11883685, 12099752, 15124690, 16637159, 17285360, 19013896, 23767370, 24199504, 30249380, 33274318, 38027792, 47534740, 60498760, 66548636, 83185795, 95069480, 120997520, 133097272, 166371590, 190138960, 266194544, 332743180, 665486360, 1330972720]

約数ペア:

[(1, 1330972720), (2, 665486360), (4, 332743180), (5, 266194544), (7, 190138960), (8, 166371590), (10, 133097272), (11, 120997520), (14, 95069480), (16, 83185795), (20, 66548636), (22, 60498760), (28, 47534740), (35, 38027792), (40, 33274318), (44, 30249380), (55, 24199504), (56, 23767370), (70, 19013896), (77, 17285360), (80, 16637159), (88, 15124690), (110, 12099752), (112, 11883685), (140, 9506948), (154, 8642680), (176, 7562345), (220, 6049876), (280, 4753474), (308, 4321340), (385, 3457072), (433, 3073840), (440, 3024938), (499, 2667280), (560, 2376737), (616, 2160670), (770, 1728536), (866, 1536920), (880, 1512469), (998, 1333640), (1232, 1080335), (1540, 864268), (1732, 768460), (1996, 666820), (2165, 614768), (2495, 533456), (3031, 439120), (3080, 432134), (3464, 384230), (3493, 381040), (3992, 333410), (4330, 307384), (4763, 279440), (4990, 266728), (5489, 242480), (6062, 219560), (6160, 216067), (6928, 192115), (6986, 190520), (7984, 166705), (8660, 153692), (9526, 139720), (9980, 133364), (10978, 121240), (12124, 109780), (13972, 95260), (15155, 87824), (17320, 76846), (17465, 76208), (19052, 69860), (19960, 66682), (21956, 60620), (23815, 55888), (24248, 54890), (27445, 48496), (27944, 47630), (30310, 43912), (33341, 39920), (34640, 38423), (34930, 38104)]