80794980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{64123}}^1$

素因数の和:64145

約数の個数: 72

約数和(自身を含む): 280093632

約数和(自身を除く): 199298652

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, 64123, 128246, 192369, 256492, 320615, 384738, 448861, 577107, 641230, 769476, 897722, 961845, 1154214, 1282460, 1346583, 1795444, 1923690, 2244305, 2308428, 2693166, 2885535, 3847380, 4039749, 4488610, 5386332, 5771070, 6732915, 8079498, 8977220, 11542140, 13465830, 16158996, 20198745, 26931660, 40397490, 80794980]

約数ペア:

[(1, 80794980), (2, 40397490), (3, 26931660), (4, 20198745), (5, 16158996), (6, 13465830), (7, 11542140), (9, 8977220), (10, 8079498), (12, 6732915), (14, 5771070), (15, 5386332), (18, 4488610), (20, 4039749), (21, 3847380), (28, 2885535), (30, 2693166), (35, 2308428), (36, 2244305), (42, 1923690), (45, 1795444), (60, 1346583), (63, 1282460), (70, 1154214), (84, 961845), (90, 897722), (105, 769476), (126, 641230), (140, 577107), (180, 448861), (210, 384738), (252, 320615), (315, 256492), (420, 192369), (630, 128246), (1260, 64123)]