87652740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208697}}^1$

素因数の和:208716

約数の個数: 48

約数和(自身を含む): 280490112

約数和(自身を除く): 192837372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 208697, 417394, 626091, 834788, 1043485, 1252182, 1460879, 2086970, 2504364, 2921758, 3130455, 4173940, 4382637, 5843516, 6260910, 7304395, 8765274, 12521820, 14608790, 17530548, 21913185, 29217580, 43826370, 87652740]

約数ペア:

[(1, 87652740), (2, 43826370), (3, 29217580), (4, 21913185), (5, 17530548), (6, 14608790), (7, 12521820), (10, 8765274), (12, 7304395), (14, 6260910), (15, 5843516), (20, 4382637), (21, 4173940), (28, 3130455), (30, 2921758), (35, 2504364), (42, 2086970), (60, 1460879), (70, 1252182), (84, 1043485), (105, 834788), (140, 626091), (210, 417394), (420, 208697)]