1277888080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{38677}}^1$

素因数の和:38756

約数の個数: 80

約数和(自身を含む): 3453171840

約数和(自身を除く): 2175283760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1180, 1652, 2065, 2360, 3304, 4130, 4720, 6608, 8260, 16520, 33040, 38677, 77354, 154708, 193385, 270739, 309416, 386770, 541478, 618832, 773540, 1082956, 1353695, 1547080, 2165912, 2281943, 2707390, 3094160, 4331824, 4563886, 5414780, 9127772, 10829560, 11409715, 15973601, 18255544, 21659120, 22819430, 31947202, 36511088, 45638860, 63894404, 79868005, 91277720, 127788808, 159736010, 182555440, 255577616, 319472020, 638944040, 1277888080]

約数ペア:

[(1, 1277888080), (2, 638944040), (4, 319472020), (5, 255577616), (7, 182555440), (8, 159736010), (10, 127788808), (14, 91277720), (16, 79868005), (20, 63894404), (28, 45638860), (35, 36511088), (40, 31947202), (56, 22819430), (59, 21659120), (70, 18255544), (80, 15973601), (112, 11409715), (118, 10829560), (140, 9127772), (236, 5414780), (280, 4563886), (295, 4331824), (413, 3094160), (472, 2707390), (560, 2281943), (590, 2165912), (826, 1547080), (944, 1353695), (1180, 1082956), (1652, 773540), (2065, 618832), (2360, 541478), (3304, 386770), (4130, 309416), (4720, 270739), (6608, 193385), (8260, 154708), (16520, 77354), (33040, 38677)]