281391840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1229}}^1$

素因数の和:1306

約数の個数: 192

約数和(自身を含む): 1004270400

約数和(自身を除く): 722878560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 53, 54, 60, 72, 80, 90, 96, 106, 108, 120, 135, 144, 159, 160, 180, 212, 216, 240, 265, 270, 288, 318, 360, 424, 432, 477, 480, 530, 540, 636, 720, 795, 848, 864, 954, 1060, 1080, 1229, 1272, 1431, 1440, 1590, 1696, 1908, 2120, 2160, 2385, 2458, 2544, 2862, 3180, 3687, 3816, 4240, 4320, 4770, 4916, 5088, 5724, 6145, 6360, 7155, 7374, 7632, 8480, 9540, 9832, 11061, 11448, 12290, 12720, 14310, 14748, 15264, 18435, 19080, 19664, 22122, 22896, 24580, 25440, 28620, 29496, 33183, 36870, 38160, 39328, 44244, 45792, 49160, 55305, 57240, 58992, 65137, 66366, 73740, 76320, 88488, 98320, 110610, 114480, 117984, 130274, 132732, 147480, 165915, 176976, 195411, 196640, 221220, 228960, 260548, 265464, 294960, 325685, 331830, 353952, 390822, 442440, 521096, 530928, 586233, 589920, 651370, 663660, 781644, 884880, 977055, 1042192, 1061856, 1172466, 1302740, 1327320, 1563288, 1758699, 1769760, 1954110, 2084384, 2344932, 2605480, 2654640, 2931165, 3126576, 3517398, 3908220, 4689864, 5210960, 5309280, 5862330, 6253152, 7034796, 7816440, 8793495, 9379728, 10421920, 11724660, 14069592, 15632880, 17586990, 18759456, 23449320, 28139184, 31265760, 35173980, 46898640, 56278368, 70347960, 93797280, 140695920, 281391840]

約数ペア:

[(1, 281391840), (2, 140695920), (3, 93797280), (4, 70347960), (5, 56278368), (6, 46898640), (8, 35173980), (9, 31265760), (10, 28139184), (12, 23449320), (15, 18759456), (16, 17586990), (18, 15632880), (20, 14069592), (24, 11724660), (27, 10421920), (30, 9379728), (32, 8793495), (36, 7816440), (40, 7034796), (45, 6253152), (48, 5862330), (53, 5309280), (54, 5210960), (60, 4689864), (72, 3908220), (80, 3517398), (90, 3126576), (96, 2931165), (106, 2654640), (108, 2605480), (120, 2344932), (135, 2084384), (144, 1954110), (159, 1769760), (160, 1758699), (180, 1563288), (212, 1327320), (216, 1302740), (240, 1172466), (265, 1061856), (270, 1042192), (288, 977055), (318, 884880), (360, 781644), (424, 663660), (432, 651370), (477, 589920), (480, 586233), (530, 530928), (540, 521096), (636, 442440), (720, 390822), (795, 353952), (848, 331830), (864, 325685), (954, 294960), (1060, 265464), (1080, 260548), (1229, 228960), (1272, 221220), (1431, 196640), (1440, 195411), (1590, 176976), (1696, 165915), (1908, 147480), (2120, 132732), (2160, 130274), (2385, 117984), (2458, 114480), (2544, 110610), (2862, 98320), (3180, 88488), (3687, 76320), (3816, 73740), (4240, 66366), (4320, 65137), (4770, 58992), (4916, 57240), (5088, 55305), (5724, 49160), (6145, 45792), (6360, 44244), (7155, 39328), (7374, 38160), (7632, 36870), (8480, 33183), (9540, 29496), (9832, 28620), (11061, 25440), (11448, 24580), (12290, 22896), (12720, 22122), (14310, 19664), (14748, 19080), (15264, 18435)]