663880140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2521}}^1$

素因数の和:2573

約数の個数: 288

約数和(自身を含む): 2643863040

約数和(自身を除く): 1979982900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 28, 30, 33, 35, 36, 38, 42, 44, 45, 55, 57, 60, 63, 66, 70, 76, 77, 84, 90, 95, 99, 105, 110, 114, 126, 132, 133, 140, 154, 165, 171, 180, 190, 198, 209, 210, 220, 228, 231, 252, 266, 285, 308, 315, 330, 342, 380, 385, 396, 399, 418, 420, 462, 495, 532, 570, 627, 630, 660, 665, 684, 693, 770, 798, 836, 855, 924, 990, 1045, 1140, 1155, 1197, 1254, 1260, 1330, 1386, 1463, 1540, 1596, 1710, 1881, 1980, 1995, 2090, 2310, 2394, 2508, 2521, 2660, 2772, 2926, 3135, 3420, 3465, 3762, 3990, 4180, 4389, 4620, 4788, 5042, 5852, 5985, 6270, 6930, 7315, 7524, 7563, 7980, 8778, 9405, 10084, 11970, 12540, 12605, 13167, 13860, 14630, 15126, 17556, 17647, 18810, 21945, 22689, 23940, 25210, 26334, 27731, 29260, 30252, 35294, 37620, 37815, 43890, 45378, 47899, 50420, 52668, 52941, 55462, 65835, 70588, 75630, 83193, 87780, 88235, 90756, 95798, 105882, 110924, 113445, 131670, 138655, 143697, 151260, 158823, 166386, 176470, 191596, 194117, 211764, 226890, 239495, 249579, 263340, 264705, 277310, 287394, 317646, 332772, 335293, 352940, 388234, 415965, 431091, 453780, 478990, 499158, 526889, 529410, 554620, 574788, 582351, 635292, 670586, 718485, 776468, 794115, 831930, 862182, 957980, 970585, 998316, 1005879, 1053778, 1058820, 1164702, 1247895, 1341172, 1436970, 1580667, 1588230, 1663860, 1676465, 1724364, 1747053, 1941170, 2011758, 2107556, 2155455, 2329404, 2495790, 2634445, 2873940, 2911755, 3017637, 3161334, 3176460, 3352930, 3494106, 3688223, 3882340, 4023516, 4310910, 4742001, 4991580, 5029395, 5268890, 5823510, 6035274, 6322668, 6705860, 6988212, 7376446, 7903335, 8621820, 8735265, 9484002, 10058790, 10537780, 11064669, 11647020, 12070548, 14752892, 15088185, 15806670, 17470530, 18441115, 18968004, 20117580, 22129338, 23710005, 30176370, 31613340, 33194007, 34941060, 36882230, 44258676, 47420010, 55323345, 60352740, 66388014, 73764460, 94840020, 110646690, 132776028, 165970035, 221293380, 331940070, 663880140]

約数ペア:

[(1, 663880140), (2, 331940070), (3, 221293380), (4, 165970035), (5, 132776028), (6, 110646690), (7, 94840020), (9, 73764460), (10, 66388014), (11, 60352740), (12, 55323345), (14, 47420010), (15, 44258676), (18, 36882230), (19, 34941060), (20, 33194007), (21, 31613340), (22, 30176370), (28, 23710005), (30, 22129338), (33, 20117580), (35, 18968004), (36, 18441115), (38, 17470530), (42, 15806670), (44, 15088185), (45, 14752892), (55, 12070548), (57, 11647020), (60, 11064669), (63, 10537780), (66, 10058790), (70, 9484002), (76, 8735265), (77, 8621820), (84, 7903335), (90, 7376446), (95, 6988212), (99, 6705860), (105, 6322668), (110, 6035274), (114, 5823510), (126, 5268890), (132, 5029395), (133, 4991580), (140, 4742001), (154, 4310910), (165, 4023516), (171, 3882340), (180, 3688223), (190, 3494106), (198, 3352930), (209, 3176460), (210, 3161334), (220, 3017637), (228, 2911755), (231, 2873940), (252, 2634445), (266, 2495790), (285, 2329404), (308, 2155455), (315, 2107556), (330, 2011758), (342, 1941170), (380, 1747053), (385, 1724364), (396, 1676465), (399, 1663860), (418, 1588230), (420, 1580667), (462, 1436970), (495, 1341172), (532, 1247895), (570, 1164702), (627, 1058820), (630, 1053778), (660, 1005879), (665, 998316), (684, 970585), (693, 957980), (770, 862182), (798, 831930), (836, 794115), (855, 776468), (924, 718485), (990, 670586), (1045, 635292), (1140, 582351), (1155, 574788), (1197, 554620), (1254, 529410), (1260, 526889), (1330, 499158), (1386, 478990), (1463, 453780), (1540, 431091), (1596, 415965), (1710, 388234), (1881, 352940), (1980, 335293), (1995, 332772), (2090, 317646), (2310, 287394), (2394, 277310), (2508, 264705), (2521, 263340), (2660, 249579), (2772, 239495), (2926, 226890), (3135, 211764), (3420, 194117), (3465, 191596), (3762, 176470), (3990, 166386), (4180, 158823), (4389, 151260), (4620, 143697), (4788, 138655), (5042, 131670), (5852, 113445), (5985, 110924), (6270, 105882), (6930, 95798), (7315, 90756), (7524, 88235), (7563, 87780), (7980, 83193), (8778, 75630), (9405, 70588), (10084, 65835), (11970, 55462), (12540, 52941), (12605, 52668), (13167, 50420), (13860, 47899), (14630, 45378), (15126, 43890), (17556, 37815), (17647, 37620), (18810, 35294), (21945, 30252), (22689, 29260), (23940, 27731), (25210, 26334)]