80487960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{95819}}^1$

素因数の和:95840

約数の個数: 64

約数和(自身を含む): 275961600

約数和(自身を除く): 195473640

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, 95819, 191638, 287457, 383276, 479095, 574914, 670733, 766552, 958190, 1149828, 1341466, 1437285, 1916380, 2012199, 2299656, 2682932, 2874570, 3353665, 3832760, 4024398, 5365864, 5749140, 6707330, 8048796, 10060995, 11498280, 13414660, 16097592, 20121990, 26829320, 40243980, 80487960]

約数ペア:

[(1, 80487960), (2, 40243980), (3, 26829320), (4, 20121990), (5, 16097592), (6, 13414660), (7, 11498280), (8, 10060995), (10, 8048796), (12, 6707330), (14, 5749140), (15, 5365864), (20, 4024398), (21, 3832760), (24, 3353665), (28, 2874570), (30, 2682932), (35, 2299656), (40, 2012199), (42, 1916380), (56, 1437285), (60, 1341466), (70, 1149828), (84, 958190), (105, 766552), (120, 670733), (140, 574914), (168, 479095), (210, 383276), (280, 287457), (420, 191638), (840, 95819)]