255517920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{25349}}^1$

素因数の和:25377

約数の個数: 144

約数和(自身を含む): 996559200

約数和(自身を除く): 741041280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 25349, 50698, 76047, 101396, 126745, 152094, 177443, 202792, 228141, 253490, 304188, 354886, 380235, 405584, 456282, 506980, 532329, 608376, 709772, 760470, 811168, 887215, 912564, 1013960, 1064658, 1140705, 1216752, 1419544, 1520940, 1596987, 1774430, 1825128, 2027920, 2129316, 2281410, 2433504, 2661645, 2839088, 3041880, 3193974, 3548860, 3650256, 4055840, 4258632, 4562820, 5323290, 5678176, 6083760, 6387948, 7097720, 7300512, 7984935, 8517264, 9125640, 10646580, 12167520, 12775896, 14195440, 15969870, 17034528, 18251280, 21293160, 25551792, 28390880, 31939740, 36502560, 42586320, 51103584, 63879480, 85172640, 127758960, 255517920]

約数ペア:

[(1, 255517920), (2, 127758960), (3, 85172640), (4, 63879480), (5, 51103584), (6, 42586320), (7, 36502560), (8, 31939740), (9, 28390880), (10, 25551792), (12, 21293160), (14, 18251280), (15, 17034528), (16, 15969870), (18, 14195440), (20, 12775896), (21, 12167520), (24, 10646580), (28, 9125640), (30, 8517264), (32, 7984935), (35, 7300512), (36, 7097720), (40, 6387948), (42, 6083760), (45, 5678176), (48, 5323290), (56, 4562820), (60, 4258632), (63, 4055840), (70, 3650256), (72, 3548860), (80, 3193974), (84, 3041880), (90, 2839088), (96, 2661645), (105, 2433504), (112, 2281410), (120, 2129316), (126, 2027920), (140, 1825128), (144, 1774430), (160, 1596987), (168, 1520940), (180, 1419544), (210, 1216752), (224, 1140705), (240, 1064658), (252, 1013960), (280, 912564), (288, 887215), (315, 811168), (336, 760470), (360, 709772), (420, 608376), (480, 532329), (504, 506980), (560, 456282), (630, 405584), (672, 380235), (720, 354886), (840, 304188), (1008, 253490), (1120, 228141), (1260, 202792), (1440, 177443), (1680, 152094), (2016, 126745), (2520, 101396), (3360, 76047), (5040, 50698), (10080, 25349)]