16590840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19751}}^1$

素因数の和:19772

約数の個数: 64

約数和(自身を含む): 56885760

約数和(自身を除く): 40294920

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, 19751, 39502, 59253, 79004, 98755, 118506, 138257, 158008, 197510, 237012, 276514, 296265, 395020, 414771, 474024, 553028, 592530, 691285, 790040, 829542, 1106056, 1185060, 1382570, 1659084, 2073855, 2370120, 2765140, 3318168, 4147710, 5530280, 8295420, 16590840]

約数ペア:

[(1, 16590840), (2, 8295420), (3, 5530280), (4, 4147710), (5, 3318168), (6, 2765140), (7, 2370120), (8, 2073855), (10, 1659084), (12, 1382570), (14, 1185060), (15, 1106056), (20, 829542), (21, 790040), (24, 691285), (28, 592530), (30, 553028), (35, 474024), (40, 414771), (42, 395020), (56, 296265), (60, 276514), (70, 237012), (84, 197510), (105, 158008), (120, 138257), (140, 118506), (168, 98755), (210, 79004), (280, 59253), (420, 39502), (840, 19751)]