51278220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40697}}^1$

素因数の和:40719

約数の個数: 72

約数和(自身を含む): 177768864

約数和(自身を除く): 126490644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 40697, 81394, 122091, 162788, 203485, 244182, 284879, 366273, 406970, 488364, 569758, 610455, 732546, 813940, 854637, 1139516, 1220910, 1424395, 1465092, 1709274, 1831365, 2441820, 2563911, 2848790, 3418548, 3662730, 4273185, 5127822, 5697580, 7325460, 8546370, 10255644, 12819555, 17092740, 25639110, 51278220]

約数ペア:

[(1, 51278220), (2, 25639110), (3, 17092740), (4, 12819555), (5, 10255644), (6, 8546370), (7, 7325460), (9, 5697580), (10, 5127822), (12, 4273185), (14, 3662730), (15, 3418548), (18, 2848790), (20, 2563911), (21, 2441820), (28, 1831365), (30, 1709274), (35, 1465092), (36, 1424395), (42, 1220910), (45, 1139516), (60, 854637), (63, 813940), (70, 732546), (84, 610455), (90, 569758), (105, 488364), (126, 406970), (140, 366273), (180, 284879), (210, 244182), (252, 203485), (315, 162788), (420, 122091), (630, 81394), (1260, 40697)]