164183440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 397117440

約数和(自身を除く): 232934000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 239, 248, 277, 310, 478, 496, 554, 620, 956, 1108, 1195, 1240, 1385, 1912, 2216, 2390, 2480, 2770, 3824, 4432, 4780, 5540, 7409, 8587, 9560, 11080, 14818, 17174, 19120, 22160, 29636, 34348, 37045, 42935, 59272, 66203, 68696, 74090, 85870, 118544, 132406, 137392, 148180, 171740, 264812, 296360, 331015, 343480, 529624, 592720, 662030, 686960, 1059248, 1324060, 2052293, 2648120, 4104586, 5296240, 8209172, 10261465, 16418344, 20522930, 32836688, 41045860, 82091720, 164183440]

約数ペア:

[(1, 164183440), (2, 82091720), (4, 41045860), (5, 32836688), (8, 20522930), (10, 16418344), (16, 10261465), (20, 8209172), (31, 5296240), (40, 4104586), (62, 2648120), (80, 2052293), (124, 1324060), (155, 1059248), (239, 686960), (248, 662030), (277, 592720), (310, 529624), (478, 343480), (496, 331015), (554, 296360), (620, 264812), (956, 171740), (1108, 148180), (1195, 137392), (1240, 132406), (1385, 118544), (1912, 85870), (2216, 74090), (2390, 68696), (2480, 66203), (2770, 59272), (3824, 42935), (4432, 37045), (4780, 34348), (5540, 29636), (7409, 22160), (8587, 19120), (9560, 17174), (11080, 14818)]