781630290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1493}}^1$

素因数の和:1793

約数の個数: 128

約数和(自身を含む): 2392312320

約数和(自身を除く): 1610682030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 277, 315, 378, 554, 630, 831, 945, 1385, 1493, 1662, 1890, 1939, 2493, 2770, 2986, 3878, 4155, 4479, 4986, 5817, 7465, 7479, 8310, 8958, 9695, 10451, 11634, 12465, 13437, 14930, 14958, 17451, 19390, 20902, 22395, 24930, 26874, 29085, 31353, 34902, 37395, 40311, 44790, 52255, 52353, 58170, 62706, 67185, 74790, 80622, 87255, 94059, 104510, 104706, 134370, 156765, 174510, 188118, 201555, 261765, 282177, 313530, 403110, 413561, 470295, 523530, 564354, 827122, 940590, 1240683, 1410885, 2067805, 2481366, 2821770, 2894927, 3722049, 4135610, 5789854, 6203415, 7444098, 8684781, 11166147, 12406830, 14474635, 17369562, 18610245, 22332294, 26054343, 28949270, 37220490, 43423905, 52108686, 55830735, 78163029, 86847810, 111661470, 130271715, 156326058, 260543430, 390815145, 781630290]

約数ペア:

[(1, 781630290), (2, 390815145), (3, 260543430), (5, 156326058), (6, 130271715), (7, 111661470), (9, 86847810), (10, 78163029), (14, 55830735), (15, 52108686), (18, 43423905), (21, 37220490), (27, 28949270), (30, 26054343), (35, 22332294), (42, 18610245), (45, 17369562), (54, 14474635), (63, 12406830), (70, 11166147), (90, 8684781), (105, 7444098), (126, 6203415), (135, 5789854), (189, 4135610), (210, 3722049), (270, 2894927), (277, 2821770), (315, 2481366), (378, 2067805), (554, 1410885), (630, 1240683), (831, 940590), (945, 827122), (1385, 564354), (1493, 523530), (1662, 470295), (1890, 413561), (1939, 403110), (2493, 313530), (2770, 282177), (2986, 261765), (3878, 201555), (4155, 188118), (4479, 174510), (4986, 156765), (5817, 134370), (7465, 104706), (7479, 104510), (8310, 94059), (8958, 87255), (9695, 80622), (10451, 74790), (11634, 67185), (12465, 62706), (13437, 58170), (14930, 52353), (14958, 52255), (17451, 44790), (19390, 40311), (20902, 37395), (22395, 34902), (24930, 31353), (26874, 29085)]