981818820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1831}}^1$

素因数の和:2183

約数の個数: 120

約数和(自身を含む): 3090994368

約数和(自身を除く): 2109175548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 331, 405, 540, 662, 810, 993, 1324, 1620, 1655, 1831, 1986, 2979, 3310, 3662, 3972, 4965, 5493, 5958, 6620, 7324, 8937, 9155, 9930, 10986, 11916, 14895, 16479, 17874, 18310, 19860, 21972, 26811, 27465, 29790, 32958, 35748, 36620, 44685, 49437, 53622, 54930, 59580, 65916, 82395, 89370, 98874, 107244, 109860, 134055, 148311, 164790, 178740, 197748, 247185, 268110, 296622, 329580, 494370, 536220, 593244, 606061, 741555, 988740, 1212122, 1483110, 1818183, 2424244, 2966220, 3030305, 3636366, 5454549, 6060610, 7272732, 9090915, 10909098, 12121220, 16363647, 18181830, 21818196, 27272745, 32727294, 36363660, 49090941, 54545490, 65454588, 81818235, 98181882, 109090980, 163636470, 196363764, 245454705, 327272940, 490909410, 981818820]

約数ペア:

[(1, 981818820), (2, 490909410), (3, 327272940), (4, 245454705), (5, 196363764), (6, 163636470), (9, 109090980), (10, 98181882), (12, 81818235), (15, 65454588), (18, 54545490), (20, 49090941), (27, 36363660), (30, 32727294), (36, 27272745), (45, 21818196), (54, 18181830), (60, 16363647), (81, 12121220), (90, 10909098), (108, 9090915), (135, 7272732), (162, 6060610), (180, 5454549), (270, 3636366), (324, 3030305), (331, 2966220), (405, 2424244), (540, 1818183), (662, 1483110), (810, 1212122), (993, 988740), (1324, 741555), (1620, 606061), (1655, 593244), (1831, 536220), (1986, 494370), (2979, 329580), (3310, 296622), (3662, 268110), (3972, 247185), (4965, 197748), (5493, 178740), (5958, 164790), (6620, 148311), (7324, 134055), (8937, 109860), (9155, 107244), (9930, 98874), (10986, 89370), (11916, 82395), (14895, 65916), (16479, 59580), (17874, 54930), (18310, 53622), (19860, 49437), (21972, 44685), (26811, 36620), (27465, 35748), (29790, 32958)]