642284720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:979

約数の個数: 160

約数和(自身を含む): 1878736896

約数和(自身を除く): 1236452176

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, 127, 140, 154, 176, 220, 254, 280, 308, 385, 440, 508, 560, 616, 635, 770, 821, 880, 889, 1016, 1232, 1270, 1397, 1540, 1642, 1778, 2032, 2540, 2794, 3080, 3284, 3556, 4105, 4445, 5080, 5588, 5747, 6160, 6568, 6985, 7112, 8210, 8890, 9031, 9779, 10160, 11176, 11494, 13136, 13970, 14224, 16420, 17780, 18062, 19558, 22352, 22988, 27940, 28735, 32840, 35560, 36124, 39116, 45155, 45976, 48895, 55880, 57470, 63217, 65680, 71120, 72248, 78232, 90310, 91952, 97790, 104267, 111760, 114940, 126434, 144496, 156464, 180620, 195580, 208534, 229880, 252868, 316085, 361240, 391160, 417068, 459760, 505736, 521335, 632170, 722480, 729869, 782320, 834136, 1011472, 1042670, 1146937, 1264340, 1459738, 1668272, 2085340, 2293874, 2528680, 2919476, 3649345, 4170680, 4587748, 5057360, 5734685, 5838952, 7298690, 8028559, 8341360, 9175496, 11469370, 11677904, 14597380, 16057118, 18350992, 22938740, 29194760, 32114236, 40142795, 45877480, 58389520, 64228472, 80285590, 91754960, 128456944, 160571180, 321142360, 642284720]

約数ペア:

[(1, 642284720), (2, 321142360), (4, 160571180), (5, 128456944), (7, 91754960), (8, 80285590), (10, 64228472), (11, 58389520), (14, 45877480), (16, 40142795), (20, 32114236), (22, 29194760), (28, 22938740), (35, 18350992), (40, 16057118), (44, 14597380), (55, 11677904), (56, 11469370), (70, 9175496), (77, 8341360), (80, 8028559), (88, 7298690), (110, 5838952), (112, 5734685), (127, 5057360), (140, 4587748), (154, 4170680), (176, 3649345), (220, 2919476), (254, 2528680), (280, 2293874), (308, 2085340), (385, 1668272), (440, 1459738), (508, 1264340), (560, 1146937), (616, 1042670), (635, 1011472), (770, 834136), (821, 782320), (880, 729869), (889, 722480), (1016, 632170), (1232, 521335), (1270, 505736), (1397, 459760), (1540, 417068), (1642, 391160), (1778, 361240), (2032, 316085), (2540, 252868), (2794, 229880), (3080, 208534), (3284, 195580), (3556, 180620), (4105, 156464), (4445, 144496), (5080, 126434), (5588, 114940), (5747, 111760), (6160, 104267), (6568, 97790), (6985, 91952), (7112, 90310), (8210, 78232), (8890, 72248), (9031, 71120), (9779, 65680), (10160, 63217), (11176, 57470), (11494, 55880), (13136, 48895), (13970, 45976), (14224, 45155), (16420, 39116), (17780, 36124), (18062, 35560), (19558, 32840), (22352, 28735), (22988, 27940)]