16380840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19501}}^1$

素因数の和:19522

約数の個数: 64

約数和(自身を含む): 56165760

約数和(自身を除く): 39784920

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, 19501, 39002, 58503, 78004, 97505, 117006, 136507, 156008, 195010, 234012, 273014, 292515, 390020, 409521, 468024, 546028, 585030, 682535, 780040, 819042, 1092056, 1170060, 1365070, 1638084, 2047605, 2340120, 2730140, 3276168, 4095210, 5460280, 8190420, 16380840]

約数ペア:

[(1, 16380840), (2, 8190420), (3, 5460280), (4, 4095210), (5, 3276168), (6, 2730140), (7, 2340120), (8, 2047605), (10, 1638084), (12, 1365070), (14, 1170060), (15, 1092056), (20, 819042), (21, 780040), (24, 682535), (28, 585030), (30, 546028), (35, 468024), (40, 409521), (42, 390020), (56, 292515), (60, 273014), (70, 234012), (84, 195010), (105, 156008), (120, 136507), (140, 117006), (168, 97505), (210, 78004), (280, 58503), (420, 39002), (840, 19501)]