171845440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:540

約数の個数: 112

約数和(自身を含む): 446135760

約数和(自身を除く): 274290320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 101, 104, 130, 160, 202, 208, 260, 320, 404, 409, 416, 505, 520, 808, 818, 832, 1010, 1040, 1313, 1616, 1636, 2020, 2045, 2080, 2626, 3232, 3272, 4040, 4090, 4160, 5252, 5317, 6464, 6544, 6565, 8080, 8180, 10504, 10634, 13088, 13130, 16160, 16360, 21008, 21268, 26176, 26260, 26585, 32320, 32720, 41309, 42016, 42536, 52520, 53170, 65440, 82618, 84032, 85072, 105040, 106340, 130880, 165236, 170144, 206545, 210080, 212680, 330472, 340288, 413090, 420160, 425360, 537017, 660944, 826180, 850720, 1074034, 1321888, 1652360, 1701440, 2148068, 2643776, 2685085, 3304720, 4296136, 5370170, 6609440, 8592272, 10740340, 13218880, 17184544, 21480680, 34369088, 42961360, 85922720, 171845440]

約数ペア:

[(1, 171845440), (2, 85922720), (4, 42961360), (5, 34369088), (8, 21480680), (10, 17184544), (13, 13218880), (16, 10740340), (20, 8592272), (26, 6609440), (32, 5370170), (40, 4296136), (52, 3304720), (64, 2685085), (65, 2643776), (80, 2148068), (101, 1701440), (104, 1652360), (130, 1321888), (160, 1074034), (202, 850720), (208, 826180), (260, 660944), (320, 537017), (404, 425360), (409, 420160), (416, 413090), (505, 340288), (520, 330472), (808, 212680), (818, 210080), (832, 206545), (1010, 170144), (1040, 165236), (1313, 130880), (1616, 106340), (1636, 105040), (2020, 85072), (2045, 84032), (2080, 82618), (2626, 65440), (3232, 53170), (3272, 52520), (4040, 42536), (4090, 42016), (4160, 41309), (5252, 32720), (5317, 32320), (6464, 26585), (6544, 26260), (6565, 26176), (8080, 21268), (8180, 21008), (10504, 16360), (10634, 16160), (13088, 13130)]