171773440

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3947}}^1$

素因数の和:3987

約数の個数: 80

約数和(自身を含む): 436190832

約数和(自身を除く): 264417392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 3947, 4352, 5440, 7894, 8704, 10880, 15788, 19735, 21760, 31576, 39470, 43520, 63152, 67099, 78940, 126304, 134198, 157880, 252608, 268396, 315760, 335495, 505216, 536792, 631520, 670990, 1010432, 1073584, 1263040, 1341980, 2020864, 2147168, 2526080, 2683960, 4294336, 5052160, 5367920, 8588672, 10104320, 10735840, 17177344, 21471680, 34354688, 42943360, 85886720, 171773440]

約数ペア:

[(1, 171773440), (2, 85886720), (4, 42943360), (5, 34354688), (8, 21471680), (10, 17177344), (16, 10735840), (17, 10104320), (20, 8588672), (32, 5367920), (34, 5052160), (40, 4294336), (64, 2683960), (68, 2526080), (80, 2147168), (85, 2020864), (128, 1341980), (136, 1263040), (160, 1073584), (170, 1010432), (256, 670990), (272, 631520), (320, 536792), (340, 505216), (512, 335495), (544, 315760), (640, 268396), (680, 252608), (1088, 157880), (1280, 134198), (1360, 126304), (2176, 78940), (2560, 67099), (2720, 63152), (3947, 43520), (4352, 39470), (5440, 31576), (7894, 21760), (8704, 19735), (10880, 15788)]