57021720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67883}}^1$

素因数の和:67904

約数の個数: 64

約数和(自身を含む): 195505920

約数和(自身を除く): 138484200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 67883, 135766, 203649, 271532, 339415, 407298, 475181, 543064, 678830, 814596, 950362, 1018245, 1357660, 1425543, 1629192, 1900724, 2036490, 2375905, 2715320, 2851086, 3801448, 4072980, 4751810, 5702172, 7127715, 8145960, 9503620, 11404344, 14255430, 19007240, 28510860, 57021720]

約数ペア:

[(1, 57021720), (2, 28510860), (3, 19007240), (4, 14255430), (5, 11404344), (6, 9503620), (7, 8145960), (8, 7127715), (10, 5702172), (12, 4751810), (14, 4072980), (15, 3801448), (20, 2851086), (21, 2715320), (24, 2375905), (28, 2036490), (30, 1900724), (35, 1629192), (40, 1425543), (42, 1357660), (56, 1018245), (60, 950362), (70, 814596), (84, 678830), (105, 543064), (120, 475181), (140, 407298), (168, 339415), (210, 271532), (280, 203649), (420, 135766), (840, 67883)]