258457920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{38461}}^1$

素因数の和:38488

約数の個数: 112

約数和(自身を含む): 937857408

約数和(自身を除く): 679399488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 38461, 76922, 115383, 153844, 192305, 230766, 269227, 307688, 384610, 461532, 538454, 576915, 615376, 769220, 807681, 923064, 1076908, 1153830, 1230752, 1346135, 1538440, 1615362, 1846128, 2153816, 2307660, 2461504, 2692270, 3076880, 3230724, 3692256, 4038405, 4307632, 4615320, 5384540, 6153760, 6461448, 7384512, 8076810, 8615264, 9230640, 10769080, 12307520, 12922896, 16153620, 17230528, 18461280, 21538160, 25845792, 32307240, 36922560, 43076320, 51691584, 64614480, 86152640, 129228960, 258457920]

約数ペア:

[(1, 258457920), (2, 129228960), (3, 86152640), (4, 64614480), (5, 51691584), (6, 43076320), (7, 36922560), (8, 32307240), (10, 25845792), (12, 21538160), (14, 18461280), (15, 17230528), (16, 16153620), (20, 12922896), (21, 12307520), (24, 10769080), (28, 9230640), (30, 8615264), (32, 8076810), (35, 7384512), (40, 6461448), (42, 6153760), (48, 5384540), (56, 4615320), (60, 4307632), (64, 4038405), (70, 3692256), (80, 3230724), (84, 3076880), (96, 2692270), (105, 2461504), (112, 2307660), (120, 2153816), (140, 1846128), (160, 1615362), (168, 1538440), (192, 1346135), (210, 1230752), (224, 1153830), (240, 1076908), (280, 923064), (320, 807681), (336, 769220), (420, 615376), (448, 576915), (480, 538454), (560, 461532), (672, 384610), (840, 307688), (960, 269227), (1120, 230766), (1344, 192305), (1680, 153844), (2240, 115383), (3360, 76922), (6720, 38461)]