2051216370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{827}}^1$

素因数の和:1005

約数の個数: 192

約数和(自身を含む): 6348865536

約数和(自身を除く): 4297649166

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 127, 155, 186, 210, 217, 254, 279, 310, 315, 381, 434, 465, 558, 630, 635, 651, 762, 827, 889, 930, 1085, 1143, 1270, 1302, 1395, 1654, 1778, 1905, 1953, 2170, 2286, 2481, 2667, 2790, 3255, 3810, 3906, 3937, 4135, 4445, 4962, 5334, 5715, 5789, 6510, 7443, 7874, 8001, 8270, 8890, 9765, 11430, 11578, 11811, 12405, 13335, 14886, 16002, 17367, 19530, 19685, 23622, 24810, 25637, 26670, 27559, 28945, 34734, 35433, 37215, 39370, 40005, 51274, 52101, 55118, 57890, 59055, 70866, 74430, 76911, 80010, 82677, 86835, 104202, 105029, 118110, 128185, 137795, 153822, 165354, 173670, 177165, 179459, 210058, 230733, 248031, 256370, 260505, 275590, 315087, 354330, 358918, 384555, 413385, 461466, 496062, 521010, 525145, 538377, 630174, 735203, 769110, 826770, 897295, 945261, 1050290, 1076754, 1153665, 1240155, 1470406, 1575435, 1615131, 1794590, 1890522, 2205609, 2307330, 2480310, 2691885, 3150870, 3230262, 3255899, 3676015, 4411218, 4726305, 5383770, 6511798, 6616827, 7352030, 8075655, 9452610, 9767697, 11028045, 13233654, 16151310, 16279495, 19535394, 22056090, 22791293, 29303091, 32558990, 33084135, 45582586, 48838485, 58606182, 66168270, 68373879, 97676970, 113956465, 136747758, 146515455, 205121637, 227912930, 293030910, 341869395, 410243274, 683738790, 1025608185, 2051216370]

約数ペア:

[(1, 2051216370), (2, 1025608185), (3, 683738790), (5, 410243274), (6, 341869395), (7, 293030910), (9, 227912930), (10, 205121637), (14, 146515455), (15, 136747758), (18, 113956465), (21, 97676970), (30, 68373879), (31, 66168270), (35, 58606182), (42, 48838485), (45, 45582586), (62, 33084135), (63, 32558990), (70, 29303091), (90, 22791293), (93, 22056090), (105, 19535394), (126, 16279495), (127, 16151310), (155, 13233654), (186, 11028045), (210, 9767697), (217, 9452610), (254, 8075655), (279, 7352030), (310, 6616827), (315, 6511798), (381, 5383770), (434, 4726305), (465, 4411218), (558, 3676015), (630, 3255899), (635, 3230262), (651, 3150870), (762, 2691885), (827, 2480310), (889, 2307330), (930, 2205609), (1085, 1890522), (1143, 1794590), (1270, 1615131), (1302, 1575435), (1395, 1470406), (1654, 1240155), (1778, 1153665), (1905, 1076754), (1953, 1050290), (2170, 945261), (2286, 897295), (2481, 826770), (2667, 769110), (2790, 735203), (3255, 630174), (3810, 538377), (3906, 525145), (3937, 521010), (4135, 496062), (4445, 461466), (4962, 413385), (5334, 384555), (5715, 358918), (5789, 354330), (6510, 315087), (7443, 275590), (7874, 260505), (8001, 256370), (8270, 248031), (8890, 230733), (9765, 210058), (11430, 179459), (11578, 177165), (11811, 173670), (12405, 165354), (13335, 153822), (14886, 137795), (16002, 128185), (17367, 118110), (19530, 105029), (19685, 104202), (23622, 86835), (24810, 82677), (25637, 80010), (26670, 76911), (27559, 74430), (28945, 70866), (34734, 59055), (35433, 57890), (37215, 55118), (39370, 52101), (40005, 51274)]