158203980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79901}}^1$

素因数の和:79927

約数の個数: 72

約数和(自身を含む): 523517904

約数和(自身を除く): 365313924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 79901, 159802, 239703, 319604, 399505, 479406, 719109, 799010, 878911, 958812, 1198515, 1438218, 1598020, 1757822, 2397030, 2636733, 2876436, 3515644, 3595545, 4394555, 4794060, 5273466, 7191090, 7910199, 8789110, 10546932, 13183665, 14382180, 15820398, 17578220, 26367330, 31640796, 39550995, 52734660, 79101990, 158203980]

約数ペア:

[(1, 158203980), (2, 79101990), (3, 52734660), (4, 39550995), (5, 31640796), (6, 26367330), (9, 17578220), (10, 15820398), (11, 14382180), (12, 13183665), (15, 10546932), (18, 8789110), (20, 7910199), (22, 7191090), (30, 5273466), (33, 4794060), (36, 4394555), (44, 3595545), (45, 3515644), (55, 2876436), (60, 2636733), (66, 2397030), (90, 1757822), (99, 1598020), (110, 1438218), (132, 1198515), (165, 958812), (180, 878911), (198, 799010), (220, 719109), (330, 479406), (396, 399505), (495, 319604), (660, 239703), (990, 159802), (1980, 79901)]