55166720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 155409408

約数和(自身を除く): 100242688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 131, 140, 160, 188, 224, 235, 256, 262, 280, 320, 329, 376, 448, 470, 524, 560, 640, 655, 658, 752, 896, 917, 940, 1048, 1120, 1280, 1310, 1316, 1504, 1645, 1792, 1834, 1880, 2096, 2240, 2620, 2632, 3008, 3290, 3668, 3760, 4192, 4480, 4585, 5240, 5264, 6016, 6157, 6580, 7336, 7520, 8384, 8960, 9170, 10480, 10528, 12032, 12314, 13160, 14672, 15040, 16768, 18340, 20960, 21056, 24628, 26320, 29344, 30080, 30785, 33536, 36680, 41920, 42112, 43099, 49256, 52640, 58688, 60160, 61570, 73360, 83840, 84224, 86198, 98512, 105280, 117376, 123140, 146720, 167680, 172396, 197024, 210560, 215495, 234752, 246280, 293440, 344792, 394048, 421120, 430990, 492560, 586880, 689584, 788096, 861980, 985120, 1173760, 1379168, 1576192, 1723960, 1970240, 2758336, 3447920, 3940480, 5516672, 6895840, 7880960, 11033344, 13791680, 27583360, 55166720]

約数ペア:

[(1, 55166720), (2, 27583360), (4, 13791680), (5, 11033344), (7, 7880960), (8, 6895840), (10, 5516672), (14, 3940480), (16, 3447920), (20, 2758336), (28, 1970240), (32, 1723960), (35, 1576192), (40, 1379168), (47, 1173760), (56, 985120), (64, 861980), (70, 788096), (80, 689584), (94, 586880), (112, 492560), (128, 430990), (131, 421120), (140, 394048), (160, 344792), (188, 293440), (224, 246280), (235, 234752), (256, 215495), (262, 210560), (280, 197024), (320, 172396), (329, 167680), (376, 146720), (448, 123140), (470, 117376), (524, 105280), (560, 98512), (640, 86198), (655, 84224), (658, 83840), (752, 73360), (896, 61570), (917, 60160), (940, 58688), (1048, 52640), (1120, 49256), (1280, 43099), (1310, 42112), (1316, 41920), (1504, 36680), (1645, 33536), (1792, 30785), (1834, 30080), (1880, 29344), (2096, 26320), (2240, 24628), (2620, 21056), (2632, 20960), (3008, 18340), (3290, 16768), (3668, 15040), (3760, 14672), (4192, 13160), (4480, 12314), (4585, 12032), (5240, 10528), (5264, 10480), (6016, 9170), (6157, 8960), (6580, 8384), (7336, 7520)]