990386280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{491}}^1$

素因数の和:952

約数の個数: 192

約数和(自身を含む): 3481470720

約数和(自身を除く): 2491084440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 431, 468, 491, 520, 585, 780, 862, 936, 982, 1170, 1293, 1473, 1560, 1724, 1964, 2155, 2340, 2455, 2586, 2946, 3448, 3879, 3928, 4310, 4419, 4680, 4910, 5172, 5603, 5892, 6383, 6465, 7365, 7758, 8620, 8838, 9820, 10344, 11206, 11784, 12766, 12930, 14730, 15516, 16809, 17240, 17676, 19149, 19395, 19640, 22095, 22412, 25532, 25860, 28015, 29460, 31032, 31915, 33618, 35352, 38298, 38790, 44190, 44824, 50427, 51064, 51720, 56030, 57447, 58920, 63830, 67236, 76596, 77580, 84045, 88380, 95745, 100854, 112060, 114894, 127660, 134472, 153192, 155160, 168090, 176760, 191490, 201708, 211621, 224120, 229788, 252135, 255320, 287235, 336180, 382980, 403416, 423242, 459576, 504270, 574470, 634863, 672360, 765960, 846484, 1008540, 1058105, 1148940, 1269726, 1692968, 1904589, 2017080, 2116210, 2297880, 2539452, 2751073, 3174315, 3809178, 4232420, 5078904, 5502146, 6348630, 7618356, 8253219, 8464840, 9522945, 11004292, 12697260, 13755365, 15236712, 16506438, 19045890, 22008584, 24759657, 25394520, 27510730, 33012876, 38091780, 41266095, 49519314, 55021460, 66025752, 76183560, 82532190, 99038628, 110042920, 123798285, 165064380, 198077256, 247596570, 330128760, 495193140, 990386280]

約数ペア:

[(1, 990386280), (2, 495193140), (3, 330128760), (4, 247596570), (5, 198077256), (6, 165064380), (8, 123798285), (9, 110042920), (10, 99038628), (12, 82532190), (13, 76183560), (15, 66025752), (18, 55021460), (20, 49519314), (24, 41266095), (26, 38091780), (30, 33012876), (36, 27510730), (39, 25394520), (40, 24759657), (45, 22008584), (52, 19045890), (60, 16506438), (65, 15236712), (72, 13755365), (78, 12697260), (90, 11004292), (104, 9522945), (117, 8464840), (120, 8253219), (130, 7618356), (156, 6348630), (180, 5502146), (195, 5078904), (234, 4232420), (260, 3809178), (312, 3174315), (360, 2751073), (390, 2539452), (431, 2297880), (468, 2116210), (491, 2017080), (520, 1904589), (585, 1692968), (780, 1269726), (862, 1148940), (936, 1058105), (982, 1008540), (1170, 846484), (1293, 765960), (1473, 672360), (1560, 634863), (1724, 574470), (1964, 504270), (2155, 459576), (2340, 423242), (2455, 403416), (2586, 382980), (2946, 336180), (3448, 287235), (3879, 255320), (3928, 252135), (4310, 229788), (4419, 224120), (4680, 211621), (4910, 201708), (5172, 191490), (5603, 176760), (5892, 168090), (6383, 155160), (6465, 153192), (7365, 134472), (7758, 127660), (8620, 114894), (8838, 112060), (9820, 100854), (10344, 95745), (11206, 88380), (11784, 84045), (12766, 77580), (12930, 76596), (14730, 67236), (15516, 63830), (16809, 58920), (17240, 57447), (17676, 56030), (19149, 51720), (19395, 51064), (19640, 50427), (22095, 44824), (22412, 44190), (25532, 38790), (25860, 38298), (28015, 35352), (29460, 33618), (31032, 31915)]