211585860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1453}}^1$

素因数の和:2277

約数の個数: 72

約数和(自身を含む): 643046040

約数和(自身を除く): 431460180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 809, 1453, 1618, 2427, 2906, 3236, 4045, 4359, 4854, 5812, 7265, 7281, 8090, 8718, 9708, 12135, 13077, 14530, 14562, 16180, 17436, 21795, 24270, 26154, 29060, 29124, 36405, 43590, 48540, 52308, 65385, 72810, 87180, 130770, 145620, 261540, 1175477, 2350954, 3526431, 4701908, 5877385, 7052862, 10579293, 11754770, 14105724, 17632155, 21158586, 23509540, 35264310, 42317172, 52896465, 70528620, 105792930, 211585860]

約数ペア:

[(1, 211585860), (2, 105792930), (3, 70528620), (4, 52896465), (5, 42317172), (6, 35264310), (9, 23509540), (10, 21158586), (12, 17632155), (15, 14105724), (18, 11754770), (20, 10579293), (30, 7052862), (36, 5877385), (45, 4701908), (60, 3526431), (90, 2350954), (180, 1175477), (809, 261540), (1453, 145620), (1618, 130770), (2427, 87180), (2906, 72810), (3236, 65385), (4045, 52308), (4359, 48540), (4854, 43590), (5812, 36405), (7265, 29124), (7281, 29060), (8090, 26154), (8718, 24270), (9708, 21795), (12135, 17436), (13077, 16180), (14530, 14562)]