161840320

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8291}}^1$

素因数の和:8369

約数の個数: 56

約数和(自身を含む): 391747248

約数和(自身を除く): 229906928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 8291, 9760, 16582, 19520, 33164, 41455, 66328, 82910, 132656, 165820, 265312, 331640, 505751, 530624, 663280, 1011502, 1326560, 2023004, 2528755, 2653120, 4046008, 5057510, 8092016, 10115020, 16184032, 20230040, 32368064, 40460080, 80920160, 161840320]

約数ペア:

[(1, 161840320), (2, 80920160), (4, 40460080), (5, 32368064), (8, 20230040), (10, 16184032), (16, 10115020), (20, 8092016), (32, 5057510), (40, 4046008), (61, 2653120), (64, 2528755), (80, 2023004), (122, 1326560), (160, 1011502), (244, 663280), (305, 530624), (320, 505751), (488, 331640), (610, 265312), (976, 165820), (1220, 132656), (1952, 82910), (2440, 66328), (3904, 41455), (4880, 33164), (8291, 19520), (9760, 16582)]