161072240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{287629}}^1$

素因数の和:287649

約数の個数: 40

約数和(自身を含む): 427993440

約数和(自身を除く): 266921200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 287629, 575258, 1150516, 1438145, 2013403, 2301032, 2876290, 4026806, 4602064, 5752580, 8053612, 10067015, 11505160, 16107224, 20134030, 23010320, 32214448, 40268060, 80536120, 161072240]

約数ペア:

[(1, 161072240), (2, 80536120), (4, 40268060), (5, 32214448), (7, 23010320), (8, 20134030), (10, 16107224), (14, 11505160), (16, 10067015), (20, 8053612), (28, 5752580), (35, 4602064), (40, 4026806), (56, 2876290), (70, 2301032), (80, 2013403), (112, 1438145), (140, 1150516), (280, 575258), (560, 287629)]