78481305

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 160

約数和(自身を含む): 178421760

約数和(自身を除く): 99940455

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 31, 35, 45, 47, 57, 63, 81, 93, 95, 105, 133, 135, 141, 155, 171, 189, 217, 235, 279, 285, 315, 329, 399, 405, 423, 465, 513, 567, 589, 651, 665, 705, 837, 855, 893, 945, 987, 1085, 1197, 1269, 1395, 1457, 1539, 1645, 1767, 1953, 1995, 2115, 2511, 2565, 2679, 2835, 2945, 2961, 3255, 3591, 3807, 4123, 4185, 4371, 4465, 4935, 5301, 5859, 5985, 6251, 6345, 7285, 7695, 8037, 8835, 8883, 9765, 10199, 10773, 12369, 12555, 13113, 13395, 14805, 15903, 17577, 17955, 18753, 19035, 20615, 21855, 24111, 26505, 26649, 27683, 29295, 30597, 31255, 37107, 39339, 40185, 44415, 47709, 50995, 53865, 56259, 61845, 65565, 72333, 79515, 83049, 87885, 91791, 93765, 111321, 118017, 120555, 133245, 138415, 152985, 168777, 185535, 193781, 196695, 238545, 249147, 275373, 281295, 333963, 361665, 415245, 458955, 506331, 556605, 581343, 590085, 747441, 826119, 843885, 968905, 1245735, 1376865, 1669815, 1744029, 2242323, 2531655, 2906715, 3737205, 4130595, 5232087, 8720145, 11211615, 15696261, 26160435, 78481305]

約数ペア:

[(1, 78481305), (3, 26160435), (5, 15696261), (7, 11211615), (9, 8720145), (15, 5232087), (19, 4130595), (21, 3737205), (27, 2906715), (31, 2531655), (35, 2242323), (45, 1744029), (47, 1669815), (57, 1376865), (63, 1245735), (81, 968905), (93, 843885), (95, 826119), (105, 747441), (133, 590085), (135, 581343), (141, 556605), (155, 506331), (171, 458955), (189, 415245), (217, 361665), (235, 333963), (279, 281295), (285, 275373), (315, 249147), (329, 238545), (399, 196695), (405, 193781), (423, 185535), (465, 168777), (513, 152985), (567, 138415), (589, 133245), (651, 120555), (665, 118017), (705, 111321), (837, 93765), (855, 91791), (893, 87885), (945, 83049), (987, 79515), (1085, 72333), (1197, 65565), (1269, 61845), (1395, 56259), (1457, 53865), (1539, 50995), (1645, 47709), (1767, 44415), (1953, 40185), (1995, 39339), (2115, 37107), (2511, 31255), (2565, 30597), (2679, 29295), (2835, 27683), (2945, 26649), (2961, 26505), (3255, 24111), (3591, 21855), (3807, 20615), (4123, 19035), (4185, 18753), (4371, 17955), (4465, 17577), (4935, 15903), (5301, 14805), (5859, 13395), (5985, 13113), (6251, 12555), (6345, 12369), (7285, 10773), (7695, 10199), (8037, 9765), (8835, 8883)]