55778520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{66403}}^1$

素因数の和:66424

約数の個数: 64

約数和(自身を含む): 191243520

約数和(自身を除く): 135465000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 66403, 132806, 199209, 265612, 332015, 398418, 464821, 531224, 664030, 796836, 929642, 996045, 1328060, 1394463, 1593672, 1859284, 1992090, 2324105, 2656120, 2788926, 3718568, 3984180, 4648210, 5577852, 6972315, 7968360, 9296420, 11155704, 13944630, 18592840, 27889260, 55778520]

約数ペア:

[(1, 55778520), (2, 27889260), (3, 18592840), (4, 13944630), (5, 11155704), (6, 9296420), (7, 7968360), (8, 6972315), (10, 5577852), (12, 4648210), (14, 3984180), (15, 3718568), (20, 2788926), (21, 2656120), (24, 2324105), (28, 1992090), (30, 1859284), (35, 1593672), (40, 1394463), (42, 1328060), (56, 996045), (60, 929642), (70, 796836), (84, 664030), (105, 531224), (120, 464821), (140, 398418), (168, 332015), (210, 265612), (280, 199209), (420, 132806), (840, 66403)]