164117720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10181}}^1$

素因数の和:10236

約数の個数: 64

約数和(自身を含む): 410538240

約数和(自身を除く): 246420520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 10181, 16120, 20362, 40724, 50905, 81448, 101810, 132353, 203620, 264706, 315611, 407240, 529412, 631222, 661765, 1058824, 1262444, 1323530, 1578055, 2524888, 2647060, 3156110, 4102943, 5294120, 6312220, 8205886, 12624440, 16411772, 20514715, 32823544, 41029430, 82058860, 164117720]

約数ペア:

[(1, 164117720), (2, 82058860), (4, 41029430), (5, 32823544), (8, 20514715), (10, 16411772), (13, 12624440), (20, 8205886), (26, 6312220), (31, 5294120), (40, 4102943), (52, 3156110), (62, 2647060), (65, 2524888), (104, 1578055), (124, 1323530), (130, 1262444), (155, 1058824), (248, 661765), (260, 631222), (310, 529412), (403, 407240), (520, 315611), (620, 264706), (806, 203620), (1240, 132353), (1612, 101810), (2015, 81448), (3224, 50905), (4030, 40724), (8060, 20362), (10181, 16120)]