81986240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2153}}^1$

素因数の和:2194

約数の個数: 112

約数和(自身を含む): 236354112

約数和(自身を除く): 154367872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 680, 952, 1088, 1120, 1190, 1360, 1904, 2153, 2240, 2380, 2720, 3808, 4306, 4760, 5440, 7616, 8612, 9520, 10765, 15071, 17224, 19040, 21530, 30142, 34448, 36601, 38080, 43060, 60284, 68896, 73202, 75355, 86120, 120568, 137792, 146404, 150710, 172240, 183005, 241136, 256207, 292808, 301420, 344480, 366010, 482272, 512414, 585616, 602840, 688960, 732020, 964544, 1024828, 1171232, 1205680, 1281035, 1464040, 2049656, 2342464, 2411360, 2562070, 2928080, 4099312, 4822720, 5124140, 5856160, 8198624, 10248280, 11712320, 16397248, 20496560, 40993120, 81986240]

約数ペア:

[(1, 81986240), (2, 40993120), (4, 20496560), (5, 16397248), (7, 11712320), (8, 10248280), (10, 8198624), (14, 5856160), (16, 5124140), (17, 4822720), (20, 4099312), (28, 2928080), (32, 2562070), (34, 2411360), (35, 2342464), (40, 2049656), (56, 1464040), (64, 1281035), (68, 1205680), (70, 1171232), (80, 1024828), (85, 964544), (112, 732020), (119, 688960), (136, 602840), (140, 585616), (160, 512414), (170, 482272), (224, 366010), (238, 344480), (272, 301420), (280, 292808), (320, 256207), (340, 241136), (448, 183005), (476, 172240), (544, 150710), (560, 146404), (595, 137792), (680, 120568), (952, 86120), (1088, 75355), (1120, 73202), (1190, 68896), (1360, 60284), (1904, 43060), (2153, 38080), (2240, 36601), (2380, 34448), (2720, 30142), (3808, 21530), (4306, 19040), (4760, 17224), (5440, 15071), (7616, 10765), (8612, 9520)]