87172680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:839

約数の個数: 128

約数和(自身を含む): 301236480

約数和(自身を除く): 214063800

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, 157, 168, 210, 280, 314, 420, 471, 628, 661, 785, 840, 942, 1099, 1256, 1322, 1570, 1884, 1983, 2198, 2355, 2644, 3140, 3297, 3305, 3768, 3966, 4396, 4627, 4710, 5288, 5495, 6280, 6594, 6610, 7932, 8792, 9254, 9420, 9915, 10990, 13188, 13220, 13881, 15864, 16485, 18508, 18840, 19830, 21980, 23135, 26376, 26440, 27762, 32970, 37016, 39660, 43960, 46270, 55524, 65940, 69405, 79320, 92540, 103777, 111048, 131880, 138810, 185080, 207554, 277620, 311331, 415108, 518885, 555240, 622662, 726439, 830216, 1037770, 1245324, 1452878, 1556655, 2075540, 2179317, 2490648, 2905756, 3113310, 3632195, 4151080, 4358634, 5811512, 6226620, 7264390, 8717268, 10896585, 12453240, 14528780, 17434536, 21793170, 29057560, 43586340, 87172680]

約数ペア:

[(1, 87172680), (2, 43586340), (3, 29057560), (4, 21793170), (5, 17434536), (6, 14528780), (7, 12453240), (8, 10896585), (10, 8717268), (12, 7264390), (14, 6226620), (15, 5811512), (20, 4358634), (21, 4151080), (24, 3632195), (28, 3113310), (30, 2905756), (35, 2490648), (40, 2179317), (42, 2075540), (56, 1556655), (60, 1452878), (70, 1245324), (84, 1037770), (105, 830216), (120, 726439), (140, 622662), (157, 555240), (168, 518885), (210, 415108), (280, 311331), (314, 277620), (420, 207554), (471, 185080), (628, 138810), (661, 131880), (785, 111048), (840, 103777), (942, 92540), (1099, 79320), (1256, 69405), (1322, 65940), (1570, 55524), (1884, 46270), (1983, 43960), (2198, 39660), (2355, 37016), (2644, 32970), (3140, 27762), (3297, 26440), (3305, 26376), (3768, 23135), (3966, 21980), (4396, 19830), (4627, 18840), (4710, 18508), (5288, 16485), (5495, 15864), (6280, 13881), (6594, 13220), (6610, 13188), (7932, 10990), (8792, 9915), (9254, 9420)]