1285281855

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:462

約数の個数: 192

約数和(自身を含む): 2868203520

約数和(自身を除く): 1582921665

約数列:

[1, 3, 5, 9, 11, 13, 15, 17, 31, 33, 39, 45, 51, 55, 65, 85, 93, 99, 117, 143, 153, 155, 165, 187, 195, 221, 255, 279, 341, 379, 403, 429, 465, 495, 527, 561, 585, 663, 715, 765, 935, 1023, 1105, 1137, 1209, 1287, 1395, 1581, 1683, 1705, 1895, 1989, 2015, 2145, 2431, 2635, 2805, 3069, 3315, 3411, 3627, 4169, 4433, 4743, 4927, 5115, 5685, 5797, 6045, 6435, 6443, 6851, 7293, 7905, 8415, 9945, 11749, 12155, 12507, 13299, 14781, 15345, 17055, 17391, 18135, 19329, 20553, 20845, 21879, 22165, 23715, 24635, 28985, 32215, 34255, 35247, 36465, 37521, 39897, 44343, 52173, 54197, 57987, 58745, 61659, 62535, 66495, 70873, 73905, 75361, 83759, 86955, 96645, 102765, 105741, 109395, 129239, 152737, 162591, 176235, 187605, 199485, 199733, 212619, 221715, 226083, 251277, 260865, 270985, 289935, 308295, 354365, 376805, 387717, 418795, 458211, 487773, 528705, 599199, 637857, 646195, 678249, 753831, 763685, 812955, 921349, 998665, 1063095, 1130415, 1163151, 1256385, 1374633, 1680107, 1797597, 1938585, 2197063, 2291055, 2438865, 2596529, 2764047, 2995995, 3189285, 3391245, 3769155, 4606745, 5040321, 5815755, 6591189, 6873165, 7789587, 8292141, 8400535, 8987985, 10985315, 12982645, 13820235, 15120963, 19773567, 23368761, 25201605, 28561819, 32955945, 38947935, 41460705, 75604815, 85685457, 98867835, 116843805, 142809095, 257056371, 428427285, 1285281855]

約数ペア:

[(1, 1285281855), (3, 428427285), (5, 257056371), (9, 142809095), (11, 116843805), (13, 98867835), (15, 85685457), (17, 75604815), (31, 41460705), (33, 38947935), (39, 32955945), (45, 28561819), (51, 25201605), (55, 23368761), (65, 19773567), (85, 15120963), (93, 13820235), (99, 12982645), (117, 10985315), (143, 8987985), (153, 8400535), (155, 8292141), (165, 7789587), (187, 6873165), (195, 6591189), (221, 5815755), (255, 5040321), (279, 4606745), (341, 3769155), (379, 3391245), (403, 3189285), (429, 2995995), (465, 2764047), (495, 2596529), (527, 2438865), (561, 2291055), (585, 2197063), (663, 1938585), (715, 1797597), (765, 1680107), (935, 1374633), (1023, 1256385), (1105, 1163151), (1137, 1130415), (1209, 1063095), (1287, 998665), (1395, 921349), (1581, 812955), (1683, 763685), (1705, 753831), (1895, 678249), (1989, 646195), (2015, 637857), (2145, 599199), (2431, 528705), (2635, 487773), (2805, 458211), (3069, 418795), (3315, 387717), (3411, 376805), (3627, 354365), (4169, 308295), (4433, 289935), (4743, 270985), (4927, 260865), (5115, 251277), (5685, 226083), (5797, 221715), (6045, 212619), (6435, 199733), (6443, 199485), (6851, 187605), (7293, 176235), (7905, 162591), (8415, 152737), (9945, 129239), (11749, 109395), (12155, 105741), (12507, 102765), (13299, 96645), (14781, 86955), (15345, 83759), (17055, 75361), (17391, 73905), (18135, 70873), (19329, 66495), (20553, 62535), (20845, 61659), (21879, 58745), (22165, 57987), (23715, 54197), (24635, 52173), (28985, 44343), (32215, 39897), (34255, 37521), (35247, 36465)]