82018160

素因数分解:

$2^4\times 5^1\times 7^5\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 120

約数和(自身を含む): 226119456

約数和(自身を除く): 144101296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 196, 244, 245, 280, 305, 343, 392, 427, 488, 490, 560, 610, 686, 784, 854, 976, 980, 1220, 1372, 1708, 1715, 1960, 2135, 2401, 2440, 2744, 2989, 3416, 3430, 3920, 4270, 4802, 4880, 5488, 5978, 6832, 6860, 8540, 9604, 11956, 12005, 13720, 14945, 16807, 17080, 19208, 20923, 23912, 24010, 27440, 29890, 33614, 34160, 38416, 41846, 47824, 48020, 59780, 67228, 83692, 84035, 96040, 104615, 119560, 134456, 146461, 167384, 168070, 192080, 209230, 239120, 268912, 292922, 334768, 336140, 418460, 585844, 672280, 732305, 836920, 1025227, 1171688, 1344560, 1464610, 1673840, 2050454, 2343376, 2929220, 4100908, 5126135, 5858440, 8201816, 10252270, 11716880, 16403632, 20504540, 41009080, 82018160]

約数ペア:

[(1, 82018160), (2, 41009080), (4, 20504540), (5, 16403632), (7, 11716880), (8, 10252270), (10, 8201816), (14, 5858440), (16, 5126135), (20, 4100908), (28, 2929220), (35, 2343376), (40, 2050454), (49, 1673840), (56, 1464610), (61, 1344560), (70, 1171688), (80, 1025227), (98, 836920), (112, 732305), (122, 672280), (140, 585844), (196, 418460), (244, 336140), (245, 334768), (280, 292922), (305, 268912), (343, 239120), (392, 209230), (427, 192080), (488, 168070), (490, 167384), (560, 146461), (610, 134456), (686, 119560), (784, 104615), (854, 96040), (976, 84035), (980, 83692), (1220, 67228), (1372, 59780), (1708, 48020), (1715, 47824), (1960, 41846), (2135, 38416), (2401, 34160), (2440, 33614), (2744, 29890), (2989, 27440), (3416, 24010), (3430, 23912), (3920, 20923), (4270, 19208), (4802, 17080), (4880, 16807), (5488, 14945), (5978, 13720), (6832, 12005), (6860, 11956), (8540, 9604)]