86991660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{1409}}^1$

素因数の和:1445

約数の個数: 144

約数和(自身を含む): 307944000

約数和(自身を除く): 220952340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1409, 1470, 1715, 1764, 2058, 2205, 2818, 2940, 3087, 3430, 4116, 4227, 4410, 5145, 5636, 6174, 6860, 7045, 8454, 8820, 9863, 10290, 12348, 12681, 14090, 15435, 16908, 19726, 20580, 21135, 25362, 28180, 29589, 30870, 39452, 42270, 49315, 50724, 59178, 61740, 63405, 69041, 84540, 88767, 98630, 118356, 126810, 138082, 147945, 177534, 197260, 207123, 253620, 276164, 295890, 345205, 355068, 414246, 443835, 483287, 591780, 621369, 690410, 828492, 887670, 966574, 1035615, 1242738, 1380820, 1449861, 1775340, 1933148, 2071230, 2416435, 2485476, 2899722, 3106845, 4142460, 4349583, 4832870, 5799444, 6213690, 7249305, 8699166, 9665740, 12427380, 14498610, 17398332, 21747915, 28997220, 43495830, 86991660]

約数ペア:

[(1, 86991660), (2, 43495830), (3, 28997220), (4, 21747915), (5, 17398332), (6, 14498610), (7, 12427380), (9, 9665740), (10, 8699166), (12, 7249305), (14, 6213690), (15, 5799444), (18, 4832870), (20, 4349583), (21, 4142460), (28, 3106845), (30, 2899722), (35, 2485476), (36, 2416435), (42, 2071230), (45, 1933148), (49, 1775340), (60, 1449861), (63, 1380820), (70, 1242738), (84, 1035615), (90, 966574), (98, 887670), (105, 828492), (126, 690410), (140, 621369), (147, 591780), (180, 483287), (196, 443835), (210, 414246), (245, 355068), (252, 345205), (294, 295890), (315, 276164), (343, 253620), (420, 207123), (441, 197260), (490, 177534), (588, 147945), (630, 138082), (686, 126810), (735, 118356), (882, 98630), (980, 88767), (1029, 84540), (1260, 69041), (1372, 63405), (1409, 61740), (1470, 59178), (1715, 50724), (1764, 49315), (2058, 42270), (2205, 39452), (2818, 30870), (2940, 29589), (3087, 28180), (3430, 25362), (4116, 21135), (4227, 20580), (4410, 19726), (5145, 16908), (5636, 15435), (6174, 14090), (6860, 12681), (7045, 12348), (8454, 10290), (8820, 9863)]