85505280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{3181}}^1$

素因数の和:3212

約数の個数: 144

約数和(自身を含む): 312192384

約数和(自身を除く): 226687104

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, 3181, 3360, 3840, 4480, 5376, 6362, 6720, 8960, 9543, 12724, 13440, 15905, 19086, 22267, 25448, 26880, 31810, 38172, 44534, 47715, 50896, 63620, 66801, 76344, 89068, 95430, 101792, 111335, 127240, 133602, 152688, 178136, 190860, 203584, 222670, 254480, 267204, 305376, 334005, 356272, 381720, 407168, 445340, 508960, 534408, 610752, 668010, 712544, 763440, 814336, 890680, 1017920, 1068816, 1221504, 1336020, 1425088, 1526880, 1781360, 2035840, 2137632, 2443008, 2672040, 2850176, 3053760, 3562720, 4071680, 4275264, 5344080, 5700352, 6107520, 7125440, 8550528, 10688160, 12215040, 14250880, 17101056, 21376320, 28501760, 42752640, 85505280]

約数ペア:

[(1, 85505280), (2, 42752640), (3, 28501760), (4, 21376320), (5, 17101056), (6, 14250880), (7, 12215040), (8, 10688160), (10, 8550528), (12, 7125440), (14, 6107520), (15, 5700352), (16, 5344080), (20, 4275264), (21, 4071680), (24, 3562720), (28, 3053760), (30, 2850176), (32, 2672040), (35, 2443008), (40, 2137632), (42, 2035840), (48, 1781360), (56, 1526880), (60, 1425088), (64, 1336020), (70, 1221504), (80, 1068816), (84, 1017920), (96, 890680), (105, 814336), (112, 763440), (120, 712544), (128, 668010), (140, 610752), (160, 534408), (168, 508960), (192, 445340), (210, 407168), (224, 381720), (240, 356272), (256, 334005), (280, 305376), (320, 267204), (336, 254480), (384, 222670), (420, 203584), (448, 190860), (480, 178136), (560, 152688), (640, 133602), (672, 127240), (768, 111335), (840, 101792), (896, 95430), (960, 89068), (1120, 76344), (1280, 66801), (1344, 63620), (1680, 50896), (1792, 47715), (1920, 44534), (2240, 38172), (2688, 31810), (3181, 26880), (3360, 25448), (3840, 22267), (4480, 19086), (5376, 15905), (6362, 13440), (6720, 12724), (8960, 9543)]