217805880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3727}}^1$

素因数の和:4228

約数の個数: 64

約数和(自身を含む): 654935040

約数和(自身を除く): 437129160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 487, 974, 1461, 1948, 2435, 2922, 3727, 3896, 4870, 5844, 7305, 7454, 9740, 11181, 11688, 14610, 14908, 18635, 19480, 22362, 29220, 29816, 37270, 44724, 55905, 58440, 74540, 89448, 111810, 149080, 223620, 447240, 1815049, 3630098, 5445147, 7260196, 9075245, 10890294, 14520392, 18150490, 21780588, 27225735, 36300980, 43561176, 54451470, 72601960, 108902940, 217805880]

約数ペア:

[(1, 217805880), (2, 108902940), (3, 72601960), (4, 54451470), (5, 43561176), (6, 36300980), (8, 27225735), (10, 21780588), (12, 18150490), (15, 14520392), (20, 10890294), (24, 9075245), (30, 7260196), (40, 5445147), (60, 3630098), (120, 1815049), (487, 447240), (974, 223620), (1461, 149080), (1948, 111810), (2435, 89448), (2922, 74540), (3727, 58440), (3896, 55905), (4870, 44724), (5844, 37270), (7305, 29816), (7454, 29220), (9740, 22362), (11181, 19480), (11688, 18635), (14610, 14908)]