989425920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{36809}}^1$

素因数の和:36840

約数の個数: 144

約数和(自身を含む): 3611502720

約数和(自身を除く): 2622076800

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, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 36809, 73618, 110427, 147236, 184045, 220854, 257663, 294472, 368090, 441708, 515326, 552135, 588944, 736180, 772989, 883416, 1030652, 1104270, 1177888, 1288315, 1472360, 1545978, 1766832, 2061304, 2208540, 2355776, 2576630, 2944720, 3091956, 3533664, 3864945, 4122608, 4417080, 4711552, 5153260, 5889440, 6183912, 7067328, 7729890, 8245216, 8834160, 9423104, 10306520, 11778880, 12367824, 14134656, 15459780, 16490432, 17668320, 20613040, 23557760, 24735648, 28269312, 30919560, 32980864, 35336640, 41226080, 47115520, 49471296, 61839120, 65961728, 70673280, 82452160, 98942592, 123678240, 141346560, 164904320, 197885184, 247356480, 329808640, 494712960, 989425920]

約数ペア:

[(1, 989425920), (2, 494712960), (3, 329808640), (4, 247356480), (5, 197885184), (6, 164904320), (7, 141346560), (8, 123678240), (10, 98942592), (12, 82452160), (14, 70673280), (15, 65961728), (16, 61839120), (20, 49471296), (21, 47115520), (24, 41226080), (28, 35336640), (30, 32980864), (32, 30919560), (35, 28269312), (40, 24735648), (42, 23557760), (48, 20613040), (56, 17668320), (60, 16490432), (64, 15459780), (70, 14134656), (80, 12367824), (84, 11778880), (96, 10306520), (105, 9423104), (112, 8834160), (120, 8245216), (128, 7729890), (140, 7067328), (160, 6183912), (168, 5889440), (192, 5153260), (210, 4711552), (224, 4417080), (240, 4122608), (256, 3864945), (280, 3533664), (320, 3091956), (336, 2944720), (384, 2576630), (420, 2355776), (448, 2208540), (480, 2061304), (560, 1766832), (640, 1545978), (672, 1472360), (768, 1288315), (840, 1177888), (896, 1104270), (960, 1030652), (1120, 883416), (1280, 772989), (1344, 736180), (1680, 588944), (1792, 552135), (1920, 515326), (2240, 441708), (2688, 368090), (3360, 294472), (3840, 257663), (4480, 220854), (5376, 184045), (6720, 147236), (8960, 110427), (13440, 73618), (26880, 36809)]