164875520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7577}}^1$

素因数の和:7615

約数の個数: 72

約数和(自身を含む): 418214664

約数和(自身を除く): 253339144

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, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 7577, 10880, 15154, 21760, 30308, 37885, 60616, 75770, 121232, 128809, 151540, 242464, 257618, 303080, 484928, 515236, 606160, 644045, 969856, 1030472, 1212320, 1288090, 1939712, 2060944, 2424640, 2576180, 4121888, 4849280, 5152360, 8243776, 9698560, 10304720, 16487552, 20609440, 32975104, 41218880, 82437760, 164875520]

約数ペア:

[(1, 164875520), (2, 82437760), (4, 41218880), (5, 32975104), (8, 20609440), (10, 16487552), (16, 10304720), (17, 9698560), (20, 8243776), (32, 5152360), (34, 4849280), (40, 4121888), (64, 2576180), (68, 2424640), (80, 2060944), (85, 1939712), (128, 1288090), (136, 1212320), (160, 1030472), (170, 969856), (256, 644045), (272, 606160), (320, 515236), (340, 484928), (544, 303080), (640, 257618), (680, 242464), (1088, 151540), (1280, 128809), (1360, 121232), (2176, 75770), (2720, 60616), (4352, 37885), (5440, 30308), (7577, 21760), (10880, 15154)]